JP2017099302A - Revival method of aquatic plants, and apparatus thereof - Google Patents

Revival method of aquatic plants, and apparatus thereof Download PDF

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Publication number
JP2017099302A
JP2017099302A JP2015233240A JP2015233240A JP2017099302A JP 2017099302 A JP2017099302 A JP 2017099302A JP 2015233240 A JP2015233240 A JP 2015233240A JP 2015233240 A JP2015233240 A JP 2015233240A JP 2017099302 A JP2017099302 A JP 2017099302A
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seeds
germination
light
aquatic
plants
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JP6767105B2 (en
Inventor
寧 井芹
Yasushi Iseri
寧 井芹
孝二 朝位
Koji Tomoi
孝二 朝位
アイミン ハオ
Aimin Hao
アイミン ハオ
智和 原口
Tomokazu Haraguchi
智和 原口
隆広 久場
Takahiro Kuba
隆広 久場
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West Japan Engineering Consultants Inc
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West Japan Engineering Consultants Inc
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Abstract

PROBLEM TO BE SOLVED: To provide a method and apparatus of reviving aquatic plants by activating, sprouting, growing the seeds of aquatic plants in dormancy in the bottoms of the sea, lakes and rivers, i.e., emergent plants, floating plants and/or submerged plants.SOLUTION: An aquatic plant seed in a sprouting time in the dormant state in the bottom of water is irradiated with the light with a wavelength promoting sprouting of the seed to sprout the seed, the sprouted aquatic plant seed is continuously irradiated with the light with the wavelength to grow the sprouted aquatic plant, the irradiation of the light with the wavelength is stopped when the tip of the aquatic plant reaches the water area of a growable illuminance, and thereby the belt of aquatic plants can be revived and water quality can be purified most efficiently.SELECTED DRAWING: Figure 1

Description

本発明は、水底の休眠状の水生植物を活性化させる方法及びその装置に関し、特に、沿
岸水域の水生植物帯を復活させる方法及びその装置に関する。沿岸水域の水を浄化する方
法及びその装置に関する。また、本発明は、水底の休眠状の水生植物を活性化させる方法
及びその装置に関し、特に、車軸藻の種場を活性化させる方法及びその装置に関し、特に
、沿岸水域の水底の車軸藻を復活させて、沿岸水域の水を浄化する方法及びその装置に関
する。
The present invention relates to a method and apparatus for activating a submerged dormant aquatic plant, and more particularly to a method and apparatus for reviving aquatic plant zones in coastal waters. The present invention relates to a method and an apparatus for purifying water in coastal waters. The present invention also relates to a method and apparatus for activating a dormant aquatic plant on the bottom of the water, and more particularly to a method and apparatus for activating a seedling plant of axle algae. The present invention relates to a method and apparatus for reviving and purifying water in coastal waters.

本邦において、水生植物の衰退が全国的に顕著であり、水生植物の復活が問題とされて
いる。水生植物の衰退は、沿岸水域、湖水や河川等への汚水や濁水の混入等による、沿岸
水域、湖水や河川等の富栄養化による、水の濁りの為に光不足となって、水底の水生植物
の種が発芽しなくなるなど現象から水生植物の衰退を生じている。一方、外来の水草の繁
茂が問題となっている。特に、藻体全体が水中に位置する沈水植物は影響を受け易く、絶
滅に瀕している種が多い。絶滅が危惧される貴重種の中には車軸藻が多い。
In Japan, the decline of aquatic plants is remarkable nationwide, and the revival of aquatic plants is a problem. The decline of aquatic plants is due to water turbidity due to eutrophication of coastal waters, lakes, rivers, etc. due to contamination of sewage and muddy water in coastal waters, lakes, rivers, etc. The decline of aquatic plants is caused by the phenomenon that seeds of aquatic plants stop germinating. On the other hand, the growth of exotic aquatic plants is a problem. In particular, submerged plants in which the entire algal body is located in water are easily affected, and many species are endangered. Among the rare species endangered, there are many axle algae.

水生植物の衰退は、水体で栄養塩を吸収ストックする作用がなくなることを意味し、水
中の栄養塩の増大を招き、それらを吸収して植物プランクトンが増殖する。植物プランク
トンの増殖は、水域の富栄養化を招き、水利用の障害となり、社会発展の妨げとなってい
る。
車軸藻は、富栄養化の原因となる栄養塩のリンを再溶解しにくい形で固定する作用及び
枯死後底泥をカバーする作用を有し、底質からの栄養塩溶出を抑制し、富栄養化を防止す
る能力が高い。車軸藻の衰退は、沿岸水域、湖水や河川等の富栄養化の進展に繋がる。生
態的に基盤となる水生植物帯は、その生態的に上位に位置する動物群の住処として、また
食藻として重要である。したがって、水生植物の衰退は、生物多様性の貧相化を招く。
The decline of aquatic plants means that the action of absorbing and stocking nutrients in the water body is lost, leading to an increase in nutrients in the water and absorbing them to grow phytoplankton. The growth of phytoplankton leads to eutrophication of the water area, hindering water use and hindering social development.
The axle algae has the action of fixing the phosphorus of nutrients that cause eutrophication in a form that is difficult to re-dissolve, and the action of covering the bottom mud after withering, suppressing the elution of nutrients from the sediment, High ability to prevent nutrition. The decline of axle algae leads to the progress of eutrophication in coastal waters, lakes and rivers. Ecologically based aquatic plant belts are important as habitats for the ecologically superior animal groups and as food algae. Therefore, the decline of aquatic plants leads to poor biodiversity.

衰退した水生植物帯の修復は、水質浄化及び生態系保全の目的から国策ともなっており
、特に、貴重種である車軸藻の復活は優先課題となっている。
水生植物は、光環境や水質が回復するまで、水底土又は水底土中で種として休眠する。
したがって、在来種の休眠種を活性する方法が従来の自然を復活させることに繋がると考
えられている。
そこで、従前に対策として、種が入った土で浅瀬を作ったり、又は、湖の一部を遮水壁
で区分し、その中の水を汲み出して水位を低下させる等の方策が採られている。しかし、
何れも、多額の費用を要し、土木事業による在来の生態系の攪乱、濁水発生による水質悪
化や外来生物の移入が問題となってる。
また、例えば、海域の藻場を復活させるために、光ファイバーにより光を導入する方法
や、LEDにより水底の光合成微生物を活性化させて酸素を生産し、その栄養吸収作用に
より水質を浄化する方法など、光を水域底層に導入して藻や微生物を活性化する方法が提
案されている。しかし、何れも、光を水域底層に導入して藻や微生物を活性化する方法を
示すに止まり、藻の種子を活性化して発芽させ、育成する手段については何も示していな
い。
Restoration of degraded aquatic plant zones has become a national policy for the purpose of water purification and ecosystem conservation. In particular, the restoration of axle algae, which are valuable species, is a priority issue.
Aquatic plants dormant as seeds in subsoil or subsoil until light environment and water quality are restored.
Therefore, it is considered that the method of activating the native dormant species leads to the restoration of the conventional nature.
Therefore, measures have been taken in the past, such as making shallow water with soil containing seeds, or dividing a part of the lake with a shielding wall and pumping out the water in it to lower the water level. Yes. But,
In both cases, a large amount of money is required, and there are problems such as disturbance of the existing ecosystem due to civil engineering projects, deterioration of water quality due to the generation of muddy water, and the introduction of exotic organisms.
In addition, for example, in order to revive seaweed beds in the sea area, a method of introducing light with an optical fiber, a method of activating oxygen by activating a photosynthetic microorganism on the bottom of the water with an LED, and purifying water quality by its nutrient absorption action, etc. A method of activating algae and microorganisms by introducing light into the bottom of the water has been proposed. However, all show only a method of activating algae and microorganisms by introducing light into the bottom of the water area, and nothing is shown about means for activating, germinating and growing algae seeds.

特許第4734166号公報Japanese Patent No. 4734166

本発明者は、海,湖、沼及び/又は河川等の底、即ち水底の藻の種場に青色光を照射す
ることにより、外来種その他の水生植物の発芽を抑制して、車軸藻のみを発芽育成するこ
とができることを発見して本発明に至った。
本発明は、我が国の海、湖、沼及び河川において、濁水の混入及び富栄養化等による、
光不足等により、水底の水生植物の種子が発芽しないために衰退している水生植物を、積
極的に活性化させ、発芽を促して、水生植物を復活させることを目的としている。
The present inventor suppresses germination of alien species and other aquatic plants by irradiating the seeds of sea, lake, swamp and / or river etc., that is, underwater algae, with blue light, and only axle algae Has been found to be able to germinate and cultivate the present invention, leading to the present invention.
The present invention, in Japan's seas, lakes, swamps and rivers, by mixing turbid water and eutrophication,
The objective is to revitalize aquatic plants by actively activating, promoting germination, aquatic plants that have declined because seeds of underwater aquatic plants do not germinate due to lack of light or the like.

本発明は、海、湖水及び河川の水底の休眠中の抽水植物,浮葉植物及び/又は沈水植物
の種場及びそれらの種子を活性化して、海、湖水及び河川の水底の休眠中の抽水植物,浮
葉植物及び/又は沈水植物を復活させる方法及び装置を提供することを目的としている。
即ち、本発明は、発芽時期にある水底の休眠状態の水生植物の種子に、該種子の発芽を
促進する波長の光を照射して、前記種子を発芽させ、前記発芽した水生植物の種子に前記
波長の光の照射を続けて、前記発芽した水生植物を成長させ、該水生植物の先端が、成長
可能な照度の水域に達したところで、前記波長の光の照射を停止することを特徴とする発
芽時期にある水生植物の種子の発芽及び成育方法にあり、また、本発明は、浮台と、該浮
台に設けられている昇降機と、浮台の下方に設けられ、前記昇降機に索を介して接続し、
該昇降機の作動により上昇及び下降可能の作業台と、該作業台に設けられている水生植物
の種子に照射して、該種子の発芽を促進させる波長の発色光を発するランプとを備えるこ
とを特徴とする発芽時期にある水生植物の種子の発芽及び成育装置ある。本発明の水生植
物の種子の発芽及び成育方法の一態様においては、発芽時期にある水底の休眠状態の水生
植物の種子が、抽水植物、浮葉植物、セキショウモ、クロモ、マツモ及び/又はエビモの
種子であり、該種子の発芽を促進する波長の光が赤色ダイオードの発色光である。また、
本発明の水生植物の種子の発芽及び成育方法の他の一態様においては、発芽時期にある水
底の休眠状態の水生植物の種子が車軸藻の種子であり、該種子の発芽を促進する波長の光
が青色ダイオードの発色光である。さらに、本発明の発芽時期にある水生植物の種子の発
芽及び成育装置においては、水生植物の種子の発芽を促進させる波長の発色光を発するラ
ンプが、赤色及び/又は青色ダイオードである。
The present invention activates the seedlings of dormant, floating and / or submerged plants in the bottom of the sea, lakes and rivers and their seeds, and the dormant plants in the bottom of the seas, lakes and rivers It is an object of the present invention to provide a method and apparatus for reviving floating and / or submerged plants.
That is, the present invention irradiates the seeds of a dormant aquatic plant at the germination stage with light having a wavelength that promotes germination of the seeds to germinate the seeds, and the germinated aquatic plant seeds The irradiation with the light of the wavelength is continued, the sprouted aquatic plant is grown, and when the tip of the aquatic plant reaches a water area of illuminable growth, the irradiation of the light of the wavelength is stopped. The present invention relates to a method for germinating and growing seeds of an aquatic plant that is in germination time. Further, the present invention relates to a floating base, an elevator provided on the floating base, and a lift provided below the floating base. Connected through
A worktable that can be raised and lowered by the operation of the elevator, and a lamp that emits colored light having a wavelength that irradiates the seeds of aquatic plants provided on the worktable and promotes germination of the seeds. There is a device for germinating and growing seeds of aquatic plants at the characteristic germination time. In one embodiment of the seed germination and growth method of the aquatic plant of the present invention, the seeds of the dormant aquatic plant at the bottom of germination are the seeds of a water-drawn plant, a floating leaf plant, a black-bellied plant, a blackberry, a pine, a pinemo and / or a shrimp. The light having a wavelength that promotes the germination of the seeds is the colored light of the red diode. Also,
In another aspect of the seed germination and growth method of the aquatic plant of the present invention, the seeds of the submerged aquatic plant at the germination stage are axle algae seeds, and have a wavelength that promotes germination of the seeds. The light is the colored light of the blue diode. Furthermore, in the seed germination and growth apparatus of the aquatic plant in the germination period of the present invention, the lamp that emits colored light having a wavelength that promotes germination of the aquatic plant seed is a red and / or blue diode.

本発明は、発芽時期にある水底の休眠状態の水生植物の種子に、該種子の発芽を促進す
る波長の光を照射して、前記種子を発芽させ、前記発芽した水生植物の種子に前記波長の
光の照射を続けて、前記発芽した水生植物を成長させ、該水生植物の先端が、成長可能な
照度の水域に達したところで、前記波長の光の照射を停止するので、水底にある水生植物
の休眠状態の種子に、該種子の発芽を促進する波長の光を照射して、水生植物の休眠状態
の種子を活性化させて発芽させ、さらに照射を続けて成長させて、水生植物帯を復活させ
て、該水域の水質浄化機能を回復させることができる。
The present invention is directed to irradiating seeds of a dormant aquatic plant at the germination stage with light having a wavelength that promotes germination of the seeds, to germinate the seeds, and to the germinated aquatic plant seeds to the wavelength. The germination of the aquatic plant is continued, and when the tip of the aquatic plant reaches the water area of illuminable growth, the irradiation of the light of the wavelength is stopped. Irradiating light with a wavelength that promotes germination of the seeds to the seeds in the dormant state of the plants, activating the seeds in the dormant state of the aquatic plants to germinate, and further continuing the irradiation to grow, the aquatic plant zone Can be restored to restore the water purification function of the water area.

本発明の一実施例の水底の水生植物の種子へのLED照射装置を説明するための概略の側面断面図である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic side cross-sectional view for explaining an LED irradiation apparatus for seeds of an aquatic plant at the bottom of an embodiment of the present invention. 本発明の他の一実施例の水底の泥中の水生植物(藻)種子へのLED照射装置を説明するための概略の側面図である。It is a schematic side view for demonstrating the LED irradiation apparatus to the aquatic plant (algae) seed in the bottom mud of other one Example of this invention.

本発明において、水生植物には、水深1メートルまでの水域に生育する抽水植物として
、例えば、ヨシ及びマコモがあり,水深1メートルから1.5メートルまでの水域に生育
する浮葉植物として、例えば、ヒシ及びヒツジグサがあり,水深1.5メートルから3メ
ートルまでの水域に生育する沈水植物として、例えば、ヒルムシロ、セキショウモ、クロ
モ、マツモ及びエビモがあり、水深1.5メートルから3メートルまでの水域に生育する
沈水植物として、例えば、車軸藻がある。
In the present invention, the aquatic plants include, for example, reeds and makomo as water-drawing plants that grow in water up to a depth of 1 meter, and floating plants that grow in water up to a depth of 1 to 1.5 meters include, for example, There are eagles and sheep rushes, and examples of submerged plants that grow in the water area from 1.5 meters to 3 meters in depth are Hirmushiro, Sekisho, Kuromo, Matsumo and shrimp, in water areas from 1.5 meters to 3 meters in depth. As a submerged plant that grows, for example, there is an axle algae.

本発明において、水生植物の種子に、水生植物の種子の発芽を促進する波長のLEDの
光を照射して、前記種子を発芽させ、前記種子の発芽後においても、前記水生植物の種子
への前記波長のLEDの光の照射を続けて、前記発芽した水生植物を成長させる。前記水
生植物が成長して、前記水生植物の先端が水生植物の成長可能な照度の水域に達すれば、
水生植物は自然に成長可能になるから、本発明においては、前記波長のLEDの光の照射
により、該水生植物が成長して、水生植物の先端が、水生植物の成長可能な照度の水域に
達したところを確認して、前記波長のLEDの光の照射を停止する。
In the present invention, the seed of the aquatic plant is irradiated with LED light having a wavelength that promotes germination of the seed of the aquatic plant to germinate the seed, and even after the germination of the seed, The germinated aquatic plant is grown by continuously irradiating the LED light having the wavelength. If the aquatic plant grows and the tip of the aquatic plant reaches the water area of illuminance where the aquatic plant can grow,
Since the aquatic plant can grow naturally, in the present invention, the aquatic plant grows by the irradiation of the LED light of the wavelength, and the tip of the aquatic plant is in a water area of illuminance where the aquatic plant can grow After confirming that the light has reached, the irradiation of the light of the LED of the wavelength is stopped.

LEDは、電気エネルギーを効率よく光エネルギーに変換でき、省エネで、効率的であ
る。例えば、白色光を青色フィルターを通過させる方法では、エネルギーの殆どを差し引
くことになり、非効率であるから、電気エネルギーを効率よく青色光に変換する青色LE
Dを使用することが経済的であり、実用上優れる。さらに、LEDは長寿命であり、点滅
照射でも劣化が少なく、水中LED照明ランプも汎用されており、容易に入手可能である
The LED can efficiently convert electric energy into light energy, and is energy saving and efficient. For example, in the method of passing white light through a blue filter, most of the energy is subtracted and inefficient, so blue LE that efficiently converts electrical energy into blue light.
Use of D is economical and practically excellent. Further, the LED has a long life, is hardly deteriorated even by flashing irradiation, and an underwater LED illumination lamp is also widely used and can be easily obtained.

水生植物に含まれる光合成生物の多くに含まれるクロロフィルaは、430nm及び6
63nm近くの波長に特徴的な鋭い吸収帯を有しており、これらの波長の光を吸収して増
殖し、活動するから、青色光(400〜500nm)を発する青色LED及び赤色光(6
00〜700nm)を発する赤色LEDの使用は、光合成生物を利用する上で、無駄な波
長が少なく、効率的に光合成生物を活性化することができる。赤色LED光及び青色LE
D光の照射は、赤色LED光のみの照射であってもよく、また、青色LED光のみの照射
であってもよい。また赤色LED光と青色LED光を同時に照射してもよい。
Chlorophyll a contained in many photosynthetic organisms contained in aquatic plants is 430 nm and 6
It has a sharp absorption band characteristic for wavelengths near 63 nm, and it absorbs light of these wavelengths to proliferate and act, so blue LEDs emitting blue light (400-500 nm) and red light (6
Use of a red LED emitting from 00 to 700 nm) can use photosynthetic organisms and can activate the photosynthetic organisms efficiently with less wasted wavelengths. Red LED light and blue LE
The irradiation with D light may be irradiation with only red LED light, or may be irradiation with only blue LED light. Moreover, you may irradiate red LED light and blue LED light simultaneously.

本発明において、水性植物の種子の発芽を促進する波長の光として、LED(発光ダイ
オード)の発する光が使用される。特に、抽水植物及び浮葉植物の種子の発芽を促進する
波長の光としては、赤色LEDの発する光があり、また、車軸藻の種子の発芽を促進する
波長の光としては、青色LEDの発する光がある。特に、青色LEDの発する光は、外来
種やその他の水生植物発芽を抑制して、リン除去、底泥からの栄養塩の溶質を抑制する能
力が卓越している車軸藻のみを優先的に発芽させて、育成できるので、水域の水生植物を
復活させる上で、青色LEDの照射は好ましい。
In the present invention, light emitted from an LED (light emitting diode) is used as light having a wavelength that promotes germination of seeds of an aqueous plant. In particular, light having a wavelength that promotes germination of seeds of water-drawn plants and floating leaf plants includes light emitted by red LEDs, and light having a wavelength that promotes germination of seeds of axle algae includes light emitted by blue LEDs. There is. In particular, the light emitted by the blue LED preferentially germinates only the axle algae that have excellent ability to suppress alien species and other aquatic plant germination, remove phosphorus and suppress nutrient solutes from the bottom mud. In order to revitalize aquatic plants in the water area, the blue LED irradiation is preferable.

本発明において、海底,湖底、沼底、河川の底等の水底(水底地中を含む)に休眠する
水生植物の種子に発光ダイオード(LED)の光を供給して、水生植物(藻)の種子を活
性化させて発芽させ、水生植物帯を復活させて、水域の水質浄化機能を回復させる。赤色
LEDの光は水底の水生植物の種場全体を全体を活性化して、多くの水生植物を復活させ
ることができる。一方青色LEDの光は、本来、浅層に生育する外来種は休眠状態のまま
であるが、貴重種で水質浄化能力があり、水深3mで生育する所謂深層生育の車軸藻を復
活させることができる。
In the present invention, light from a light emitting diode (LED) is supplied to the seeds of aquatic plants that are dormant on the seabed (including the bottom of the seabed) such as the seabed, lake bottom, swamp bottom, river bottom, etc. The seeds are activated and germinated, the aquatic plant zone is restored, and the water purification function of the water area is restored. The red LED light can activate the entire seedling of underwater aquatic plants and restore many aquatic plants. On the other hand, the blue LED light originally alien species that grow in shallow layers remain dormant, but it is a valuable species and has a water purification ability, and can restore the so-called deep-growing axle algae that grow at a depth of 3 m. it can.

本発明において、LED光は、基本的には連続して照射されるが、一定間隔で点滅させ
て照射することもできる。
本発明において、LED光の照射により、有害なプランクトンの発生が予想される場合
、又は有害なプランクトン発生が確認された場合には、その発生を抑制するために、紫外
線照射を行って,プランクトンを殺滅することができる。したがって、このような場合に
は、予め、種場に紫外線照射を行って,プランクトンを殺滅した後に、LED光の照射を
行うのが好ましい。
In the present invention, the LED light is basically irradiated continuously, but can be irradiated by blinking at a constant interval.
In the present invention, when harmful plankton is expected to be generated by irradiation with LED light, or when harmful plankton is confirmed to be generated, in order to suppress the occurrence, ultraviolet irradiation is performed to reduce the plankton. Can be killed. Therefore, in such a case, it is preferable to irradiate the seed field with ultraviolet light in advance and irradiate the LED light after killing the plankton.

図1において、水底の水生植物の種子へのLED照射装置1は、水面に浮揚する浮台2
と該浮台1に上下方向に移動可能に支持されている作業台3を備えている。浮台2には、
昇降機4が据付けられており、昇降機4の巻回軸5には、ワイヤ6の一端が巻回可能に取
り付けられており、ワイヤ6の他端は作業台3のワイヤ固定部材7に固定支持されている
。作業台3の下面8にはLED照射ランプ9が設けられている。作業台3の下面8に設け
られるLED照射ランプ9は、作業台3の下面8に、赤色LED照射ランプ及び青色LE
D照射ランプが。適当な割合で混在していてもよく、または、赤色LED照射ランプのみ
を設けていてもよく、青色LED照射ランプのみを設けていてもよい。浮台2の下面10
には、ソナー水深計11が設けられており、浮台2の下方に位置する水底の水深を測定す
ることができる。また、作業台3の下面8には、ソナー水深計12が設けられており、作
業台3からその下方に位置する水底までの距離を測定することができる。ソナー水深計1
1による、浮台2の下方に位置する水底の測定された水深と、ソナー水深計12による、
作業台3から、その下方に位置する水底までの測定された距離から、浮台2からの作業台
3の距離(水深)を求めることができる。
In FIG. 1, the LED irradiation apparatus 1 to the seed of the aquatic plant of the bottom of the water is a floating base 2 that floats on the water surface
And a work table 3 that is supported by the float 1 so as to be movable in the vertical direction. On the base 2,
An elevator 4 is installed, and one end of a wire 6 is attached to a winding shaft 5 of the elevator 4 so that the wire 6 can be wound. The other end of the wire 6 is fixedly supported by a wire fixing member 7 of the work table 3. ing. An LED irradiation lamp 9 is provided on the lower surface 8 of the work table 3. The LED irradiation lamp 9 provided on the lower surface 8 of the work table 3 is provided with a red LED irradiation lamp and a blue LE on the lower surface 8 of the work table 3.
D irradiation lamp. They may be mixed at an appropriate ratio, or only the red LED irradiation lamp may be provided, or only the blue LED irradiation lamp may be provided. Lower surface 10 of the buoy 2
Is provided with a sonar depth gauge 11, which can measure the water depth of the bottom of the water located below the float 2. In addition, a sonar depth meter 12 is provided on the lower surface 8 of the work table 3 so that the distance from the work table 3 to the water bottom located below the work table 3 can be measured. Sonar depth meter 1
1, measured depth of the bottom of the bottom located below the floating platform 2, and sonar depth gauge 12,
From the measured distance from the work table 3 to the bottom of the water located below, the distance (water depth) of the work table 3 from the floating table 2 can be obtained.

本例においては、さらに、浮台2には、水底の水生植物の発芽及び生育状況を確認する
ために水中カメラ15が、上下方向に移動可能に設けられており、また水質等の分析用試
料及びプランクトンの検査用試料を採取できるように採水及びプランクトンの試料採取用
の吸引ポンプ13を有する試料採取装置14が設けられている。また,浮台2には、水面
の太陽光の光量を測定する光量子計16が設けられており、また、作業台3には水中の光
量を測定する水中光量子計が設けられている。作業台3の側部には、水質計測器18が取
り付けられている。本例においては、浮台2には、さらに、風力又は太陽光発電及び蓄電
装置19及びデータ記録及び転送機20が設けられている。
In this example, an underwater camera 15 is further provided on the platform 2 so as to be able to move up and down in order to confirm germination and growth of aquatic plants on the bottom of the water. In addition, a sampling device 14 having a suction pump 13 for sampling and sampling of plankton is provided so that a sample for inspection of plankton can be collected. In addition, the floating platform 2 is provided with a photon meter 16 for measuring the amount of sunlight on the water surface, and the work table 3 is provided with an underwater photon meter for measuring the amount of water in water. A water quality measuring instrument 18 is attached to the side of the work table 3. In this example, the floating platform 2 is further provided with wind power or solar power generation and power storage device 19 and data recording and transfer device 20.

図2に示す実施例は、図1の実施例に比して、水底に固定できるように、作業台3に脚
部が20が設けられている点及びLED照射ランプ9の周囲を囲んで透明部材製の保護壁
21が設けられている点で相違し、その他の点は、図1の実施例と同一であり、第1図の
実施例と同一の箇所には第1図の実施例と同一の符号が付されている。
The embodiment shown in FIG. 2 is transparent to surround the periphery of the LED irradiation lamp 9 and the point that the work table 3 is provided with legs 20 so that it can be fixed to the bottom of the water as compared with the embodiment of FIG. It is different in that a protective wall 21 made of a member is provided, and the other points are the same as the embodiment of FIG. 1, and the same place as the embodiment of FIG. The same code | symbol is attached | subjected.

図1に示す例(以下、本例1という)は、以上のように形成されているので、浮台2の
昇降機4を作動して作業台3を下降させ、浮台2及び作業台3のソナー水深計11及び1
2により、作業台3が、所定の水深に到達したところで、作業台3の下降を停止させ、L
ED照射ランプ9を点灯して水底の水生植物の種場にLED光を照射する。このLED光
の照射により、水底の水生植物の種場を活性化して、水生植物の種子を発芽させる。
Since the example shown in FIG. 1 (hereinafter referred to as the present example 1) is formed as described above, the elevator 4 of the buoy 2 is operated to lower the work table 3 so that the buoy 2 and the work table 3 Sonar depth gauge 11 and 1
2, when the work table 3 reaches a predetermined water depth, the work table 3 is stopped from being lowered.
The ED irradiation lamp 9 is turned on to irradiate a seedling of aquatic plants on the bottom with LED light. By irradiation with this LED light, the seed plant of the aquatic plant at the bottom is activated and the seeds of the aquatic plant are germinated.

本例1のLED照射装置1には、浮台2に、水中カメラ15並びに水中光量計17、並
びに水温計、DO計、pH計,濁度計及び導電率計の各センサーを備える水質計測器18
並びに紫外線照射装置(図示されていない)が設けられており、これらにより、水生植物
の発芽状況及び水質浄化状況を調べて、照射水深及び照度等を調整して、水生植物の発芽
及び成長に効率的な光環境とすることができる。
The LED irradiation apparatus 1 of the first example includes a water quality measuring instrument that includes a floating platform 2, an underwater camera 15, an underwater light meter 17, and a water temperature meter, a DO meter, a pH meter, a turbidity meter, and a conductivity meter. 18
In addition, an ultraviolet irradiation device (not shown) is provided, and by checking the germination status and water quality purification status of aquatic plants, adjusting irradiation water depth and illuminance, etc., it is efficient for germination and growth of aquatic plants. Light environment.

図2に示す実施例は、図1のLED照射装置1に比して、水底に固定できるように、作
業台3に脚部20が設けられている点及びLED照射ランプ9の周囲を囲んで透明部材製
の保護壁21が設けられている点で相違するものであり、他の点は、図1のLED照射装
置1と同様である。
The embodiment shown in FIG. 2 surrounds the point where the work table 3 is provided with legs 20 and the periphery of the LED irradiation lamp 9 so that it can be fixed to the bottom of the water as compared with the LED irradiation apparatus 1 of FIG. The difference is that a protective wall 21 made of a transparent member is provided, and the other points are the same as those of the LED irradiation device 1 of FIG.

図2に示す例(以下、例2という)においては、作業台3を脚部20に支持させて、水
底に固定させて作業させることができる。LED光照射ランプ9は、作業台3の下面に、
透明部材製の保護壁21により安全に囲まれて取り付けられており、作業台3を水底に固
定させたとき、LED光照射ランプ9は、その一部分を水底の泥の中に差し込み、他部を
水底上に残すように配置することができる。
本例2において、作業台3を水底に固定させて作業させるときに、LED光照射ランプ
9を、水底の面上及び水底の泥の中又は地中に配置させることになるので、水底の面上及
び水底の泥の中又は地中にいる休眠中の水生植物の種子にLED光を照射することができ
る。したがって、本例2においては、水底及び水底中に存在する休眠中の水生植物の種子
に照射して、水底及び水底中に存在する水生植物の種子を活性化させて、発芽させ、生育
させることができる。
In the example shown in FIG. 2 (hereinafter referred to as Example 2), the work table 3 can be supported by the leg portion 20 and fixed to the bottom of the water for work. The LED light irradiation lamp 9 is provided on the lower surface of the work table 3.
When the work table 3 is fixed to the bottom of the water, the LED light irradiation lamp 9 is partly inserted into the mud of the bottom of the water and the other part is It can be arranged to remain on the bottom of the water.
In Example 2, when the work table 3 is fixed to the bottom of the water, the LED light irradiation lamp 9 is disposed on the surface of the water bottom and in the mud of the water bottom or in the ground. LED light can be irradiated to the seeds of dormant aquatic plants in the mud on the top and bottom or in the ground. Therefore, in this example 2, the seeds of the dormant aquatic plants existing in the bottom and the bottom of the water are irradiated to activate, germinate and grow the seeds of the aquatic plants present in the bottom and the bottom of the water. Can do.

多様な水生植物帯の修復を目指す場合には、対象水域の水生植物の衰退前の種類を調べ
、修復対象の各水生植物の自然発芽時期を調べて、例えば、その発芽時期に赤色LED光
及び/又は青色LED光の照射を行う。照射後10日程度の間隔で水中カメラで対象水生
植物の発芽状況を調べ、水生植物の成長が確認されたところで、水生植物の伸長に合わせ
てLED照射装置1を伸長分だけ引き上げて、赤色LED光及び/又は青色LED光の照
射を続ける。水生植物が成長して、水生植物の丈が自然成長可能な照度の水深に達したと
ころで、赤色LED光及び/又は青色LED光の照射を終了して、LED照射装置1を別
の水域に移動させて、別の水域でのLED光の照射を開始する。
When aiming at the restoration of various aquatic plant zones, the type of aquatic plants in the target water area before the decline is examined, the natural germination time of each aquatic plant to be restored is examined, and, for example, red LED light and Irradiation of blue LED light is performed. The germination status of the target aquatic plant is checked with an underwater camera at intervals of about 10 days after irradiation. When the growth of the aquatic plant is confirmed, the LED irradiation device 1 is pulled up by the extension in accordance with the extension of the aquatic plant. Continue irradiation with light and / or blue LED light. When the aquatic plant grows and the height of the aquatic plant reaches an illuminance depth that allows natural growth, the irradiation of the red LED light and / or the blue LED light is terminated, and the LED irradiation device 1 is moved to another water area. Then, the irradiation of LED light in another water area is started.

本発明において、車軸藻の修復を目指す場合には、車軸藻の自然発芽時期を調べて、そ
の発芽時期に車軸藻の種場に青色LED光の照射を行う。照射後10日程度の間隔で水中
カメラで車軸藻の発芽状況を調べ、車軸藻の成長が確認されたところで、車軸藻の伸長に
合わせてLED照射装置1を伸長分だけ引き上げて、青色LED光の照射を続ける。車軸
藻が成長して、車軸藻の丈が自然成長可能な照度の水深に届いたところで、青色LED光
の照射を終了して、青色LED照射装置1を別の水域に移動させて、別の水域での青色L
ED光の照射を開始する。
In this invention, when aiming at restoration | repair of an axle algae, the natural germination time of an axle algae is investigated, and a blue LED light is irradiated to the seed field of an axle algae at the germination time. After about 10 days after irradiation, the underwater camera was used to check the germination status of the axle algae. When the growth of the axle algae was confirmed, the LED irradiation device 1 was pulled up by the extension to match the extension of the axle algae. Continue irradiation. When the axle algae grows and the height of the axle algae reaches the depth of water that can grow naturally, the irradiation of the blue LED light is terminated and the blue LED irradiation device 1 is moved to another water area. Blue L in water
Start ED light irradiation.

例1の例においては、作業台3の下面に、水底の底泥を掘り返すことができるように、
耕運機の泥や土を掘り返す機構を設けることができる。このようにすると水底の地中に埋
もれている水生植物の種子を掘り返して、青色LED光に曝させることができる。
In the example of Example 1, the bottom mud of the bottom of the work table 3 can be dug up,
A mechanism to dig up mud and soil of the cultivator can be provided. If it does in this way, the seed of the aquatic plant buried in the ground of the bottom of the water can be dug up and exposed to blue LED light.

本例において、LED光の照射により有害なプランクトンの発生が確認された場合、紫
外線照射を行い、有害なプランクトンを死滅させることができる。また、LED光の照射
に先立って、予め、紫外線照射を行い、有害なプランクトンを死滅させた後に、LED光
の照射を行うことができる。紫外線照射によるプランクトンの殺滅処理の紫外線照射は、
水生植物の発芽及び育成に影響を避けるために、LED光の照射の影響に比してかなり低
線量で行われ、水生植物への影響を少なくする。
In this example, when generation | occurrence | production of harmful plankton is confirmed by irradiation of LED light, it can irradiate with ultraviolet rays and kill harmful plankton. Further, prior to the irradiation of the LED light, the irradiation of the ultraviolet light can be performed in advance, and after the harmful plankton is killed, the irradiation of the LED light can be performed. Ultraviolet irradiation for killing plankton by ultraviolet irradiation
In order to avoid the influence on germination and growth of aquatic plants, it is performed at a considerably lower dose than the influence of irradiation with LED light, and the influence on aquatic plants is reduced.

青色LED光の照射による車軸藻の発芽実験の結果を次に示す。
この青色LED光の照射による車軸藻の発芽実験は、過去に水生植物が繁茂していた休
耕田で、水深2ないし3mの池となっていた場所の底泥で、干上がって乾燥した泥を使用
した。該泥の上を脱塩素した水道水で10cm程覆った水底の泥面から、20cmの距離
に、5Wの青色ダイオードランプを設置して、水温20℃で青色ダイオードランプを点灯
して、青色ダイオードランプの光を照射した。前記青色ダイオードランプの光の照射は、
連続照射で2週間続け、5株の車軸藻の発芽が確認された。比較のために自然光による発
芽状況を調べた。自然光による発芽は、コナギ,ウキクサ,イヌホタルイ及びマツバイの
発芽が確認された。
青色ダイオードランプの光の2週間に亘る連続照射後の結果を以下の表1に示す。
(表1)
発芽成長した抽水及び沈水植物 無光 照射後
車軸藻 0 5株
その他 0 0
青色ダイオードランプの光の照射により車軸藻のみの発芽生育が確認された。この実験
によると、青色ダイオードランプの光の照射により、車軸藻のみが発芽生育し、コナギ,
ウキクサ,イヌホタルイ及びマツバイなどの水生植物の発芽が抑制されていることを示し
ている。
The result of the germination experiment of axle algae by irradiation with blue LED light is shown below.
In this experiment of germination of axle algae by irradiation with blue LED light, dried mud was used in the bottom mud of a pond with a depth of 2 to 3 m in a fallow field where aquatic plants had flourished in the past. . A blue diode lamp of 5 W is installed at a distance of 20 cm from the bottom mud surface covered with dechlorinated tap water about 10 cm above the mud, and the blue diode lamp is turned on at a water temperature of 20 ° C. The lamp light was irradiated. The light irradiation of the blue diode lamp is
Continuous germination continued for 2 weeks, and germination of 5 axle algae was confirmed. For comparison, germination by natural light was investigated. Sprouting by natural light was confirmed in the sprouting of oaks, duckweeds, fireflies and pine trees.
The results after 2 weeks of continuous illumination of blue diode lamp light are shown in Table 1 below.
(Table 1)
Germinated and extracted water and submerged plants No light After irradiation
Axle algae 0 5 shares
Other 0 0
Germination and growth of axle algae alone was confirmed by irradiation with light from a blue diode lamp. According to this experiment, only blue algae germinate and grow due to the light emitted from the blue diode lamp.
It shows that the germination of aquatic plants such as duckweed, dolphins and pine trees is suppressed.

本例によると、青色LED光の照射により、外来種やその他の水生植物の発芽を抑制し
て、リン除去、底泥からの栄養塩の溶出を抑制する能力が卓越している車軸藻のみを優先
的に発芽させ、育成するので、車軸藻による水質浄化機能により、水域の浄化を図り、自
然作用により、水生植物帯を復活させることができるので、最も効率的である。
According to this example, by irradiating blue LED light, the germination of exotic species and other aquatic plants is suppressed, and only the axle algae that have the excellent ability to suppress phosphorus removal and elution of nutrient salts from bottom mud are obtained. Since it preferentially germinates and grows, it is the most efficient because it can purify the water area by the water purification function by axle algae and revive the aquatic plant zone by natural action.

本発明は、LED光の照射、特に、青色LED光の照射により、外来種やその他の水生
植物の発芽を抑制して、リン除去、底泥からの栄養塩の溶出を抑制する能力が卓越してい
る車軸藻のみを優先的に発芽させ、育成させることができるので、青色LED光の照射に
より、車軸藻による水質浄化機能を復活させることができる。したがって、青色LED光
の照射により、車軸藻を復活させて、その自然作用により、水域の浄化が行われ、水生植
物帯を復活させることができ、最も効率的に、水域の水質浄化を行うことができる。
The present invention has an excellent ability to suppress the germination of exotic species and other aquatic plants by irradiation with LED light, in particular, blue LED light, and to suppress phosphorus removal and elution of nutrient salts from bottom mud. Since only the axle algae that are present can germinate and grow preferentially, the water purification function by the axle algae can be restored by irradiation with blue LED light. Therefore, the blue algae can be restored by irradiating the blue algae, the water can be purified by its natural action, the aquatic plant zone can be restored, and the water quality can be purified most efficiently. Can do.

1 LED光照射装置
2 浮台
3 作業台
4 昇降機
5 昇降機4の巻回軸
6 ワイヤ
7 ワイヤ固定部材
8 作業台3の下面
9 LED照射ランプ9
10 浮台2の下面
11、12 ソナー水深計
13 試料採取用の吸引ポンプ
14 試料採取装置
15 水中カメラ
16 光量子計
17 水中光量子計
18 水質計測器
19 風力又は太陽光発電及び蓄電装置
20 データ記録及び転送機。
21 脚部
22 透明部材製の保護壁
DESCRIPTION OF SYMBOLS 1 LED light irradiation apparatus 2 Floating base 3 Worktable 4 Elevator 5 Winding axis of elevator 4 6 Wire 7 Wire fixing member 8 Lower surface of worktable 3 LED irradiation lamp 9
DESCRIPTION OF SYMBOLS 10 Lower surface 11 of float base 2, 12 Sonar depth meter 13 Sampling pump 14 for sample collection Sample collection device 15 Underwater camera 16 Photonometer 17 Underwater photon meter 18 Water quality measuring device 19 Wind power or solar power generation and electrical storage device 20 Data recording and Transfer machine.
21 Leg 22 Protective wall made of transparent material

本発明は、海、湖水及び河川の水底の休眠中の抽水植物,浮葉植物及び/又は沈水植物の種場及びそれらの種子を活性化して、海、湖水及び河川の水底の休眠中の抽水植物,浮葉植物及び/又は沈水植物を復活させる方法及び装置を提供することを目的としている。
即ち、本発明は、発芽時期にある水底の休眠状態の水生植物の種子に、該種子の発芽を促進する波長の光を照射して、前記種子を発芽させ、前記発芽した水生植物の種子に前記波長の光の照射を続けて、前記発芽した水生植物を成長させ、該水生植物の先端が、成長可能な照度の水域に達したところで、前記波長の光の照射を停止することを特徴とする発芽時期にある水生植物の種子の発芽及び成育方法にあり、また、本発明は、浮台と、該浮台に設けられている昇降機と、浮台の下方に設けられ、前記昇降機に索を介して接続し、該昇降機の作動により上昇及び下降可能の作業台と、該作業台に設けられている水生植物の種子に照射して、該種子の発芽を促進させる波長の発色光を発するランプとを備えることを特徴とする発芽時期にある水生植物の種子の発芽及び成育装置ある。本発明の水生植物の種子の発芽及び成育方法の一態様においては、発芽時期にある水底の休眠状態の水生植物の種子が、抽水植物、浮葉植物、セキショウモ、クロモ、マツモ及び/又はエビモの種子であり、該種子の発芽を促進する波長の光が赤色発光ダイオードの発色光である。また、本発明の水生植物の種子の発芽及び成育方法の他の一態様においては、発芽時期にある水底の休眠状態の水生植物の種子が車軸藻の種子であり、該種子の発芽を促進する波長の光が青色発光ダイオードの発色光である。さらに、本発明の発芽時期にある水生植物の種子の発芽及び成育装置においては、水生植物の種子の発芽を促進させる波長の発色光を発するランプが、赤色及び/又は青色発光ダイオードである。
The present invention activates the seedlings of dormant, floating and / or submerged plants in the bottom of the sea, lakes and rivers and their seeds, and the dormant plants in the bottom of the seas, lakes and rivers It is an object of the present invention to provide a method and apparatus for reviving floating and / or submerged plants.
That is, the present invention irradiates the seeds of a dormant aquatic plant at the germination stage with light having a wavelength that promotes germination of the seeds to germinate the seeds, and the germinated aquatic plant seeds The irradiation with the light of the wavelength is continued, the sprouted aquatic plant is grown, and when the tip of the aquatic plant reaches a water area of illuminable growth, the irradiation of the light of the wavelength is stopped. The present invention relates to a method for germinating and growing seeds of an aquatic plant that is in germination time. Further, the present invention relates to a floating base, an elevator provided on the floating base, and a lift provided below the floating base. A working table that can be raised and lowered by the operation of the elevator, and irradiates the seeds of aquatic plants provided on the working table to emit colored light having a wavelength that promotes germination of the seeds. A germination period characterized by comprising a lamp There germination and growth apparatus of the raw plant seeds. In one embodiment of the seed germination and growth method of the aquatic plant of the present invention, the seeds of the dormant aquatic plant at the bottom of germination are the seeds of a water-drawn plant, a floating leaf plant, a black-bellied plant, a blackberry, a pine, a pinemo and / or a shrimp. The light having a wavelength that promotes the germination of the seed is the colored light of the red light emitting diode. Further, in another aspect of the seed germination and growth method of the aquatic plant of the present invention, the seeds of the aquatic plant in the bottom of the bottom in the germination period are seeds of axle algae, and promote germination of the seeds. The light of the wavelength is the colored light of the blue light emitting diode. Furthermore, in the seed germination and growth apparatus of the aquatic plant in the germination period of the present invention, the lamp emitting colored light having a wavelength that promotes germination of the aquatic plant seed is a red and / or blue light emitting diode.

青色LED光の照射による車軸藻の発芽実験の結果を次に示す。
この青色LED光の照射による車軸藻の発芽実験は、過去に水生植物が繁茂していた休耕田で、水深2ないし3mの池となっていた場所の底泥で、干上がって乾燥した泥を使用した。該泥の上を脱塩素した水道水で10cm程覆った水底の泥面から、20cmの距離に、5Wの青色発光ダイオードランプを設置して、水温20℃で青色発光ダイオードランプを点灯して、青色発光ダイオードランプの光を照射した。前記青色ダイオードランプの光の照射は、連続照射で2週間続け、5株の車軸藻の発芽が確認された。比較のために自然光による発芽状況を調べた。自然光による発芽は、コナギ,ウキクサ,イヌホタルイ及びマツバイの発芽が確認された。
青色発光ダイオードランプの光の2週間に亘る連続照射後の結果を以下の表1に示す。
(表1)
発芽成長した抽水及び沈水植物 無光 照射後
車軸藻 0 5株
その他 0 0
青色発光ダイオードランプの光の照射により車軸藻のみの発芽生育が確認された。この実験によると、青色発光ダイオードランプの光の照射により、車軸藻のみが発芽生育し、コナギ,ウキクサ,イヌホタルイ及びマツバイなどの水生植物の発芽が抑制されていることを示している。
The result of the germination experiment of axle algae by irradiation with blue LED light is shown below.
In this experiment of germination of axle algae by irradiation with blue LED light, dried mud was used in the bottom mud of a pond with a depth of 2 to 3 m in a fallow field where aquatic plants had flourished in the past. . A blue light-emitting diode lamp of 5 W was installed at a distance of 20 cm from the mud surface of the bottom of the water covered with dechlorinated tap water about 10 cm above the mud, and the blue light- emitting diode lamp was turned on at a water temperature of 20 ° C. Blue light emitting diode lamp light was irradiated. The blue diode lamp was continuously irradiated for 2 weeks, and germination of 5 strains of axle algae was confirmed. For comparison, germination by natural light was investigated. Sprouting by natural light was confirmed in the sprouting of oaks, duckweeds, fireflies and pine trees.
The results after 2 weeks of continuous illumination of blue light emitting diode lamp light are shown in Table 1 below.
(Table 1)
Germinated and extracted water and submerged plants No light After irradiation
Axle algae 0 5 shares
Other 0 0
Germination and growth of axle algae alone was confirmed by irradiation with light from a blue light-emitting diode lamp. According to this experiment, it is shown that only the axle algae germinate and grow due to the light emitted from the blue light-emitting diode lamp, and the germination of aquatic plants such as oysters, duckweeds, fireflies and pine trees is suppressed.

Claims (5)

発芽時期にある水底の休眠状態の水生植物の種子に、該種子の発芽を促進する波長の光
を照射して、前記種子を発芽させ、前記発芽した水生植物の種子に前記波長の光の照射を
続けて、前記発芽した水生植物を成長させ、該水生植物の先端が、成長可能な照度の水域
に達したところで、前記波長の光の照射を停止することを特徴とする発芽時期にある水生
植物の種子の発芽及び成育方法。
Irradiating the seeds of a dormant aquatic plant at the germination stage with light having a wavelength that promotes germination of the seeds, germinating the seeds, and irradiating the germinated aquatic plant seeds with light of the wavelength The germination aquatic plant is grown, and when the tip of the aquatic plant reaches the water area of illuminable growth, the irradiation of the light of the wavelength is stopped. Germination and growth method of plant seeds.
発芽時期にある水底の休眠状態の水生植物の種子が抽水植物、浮葉植物、セキショウモ
、クロモ、マツモ及び/又はエビモの種子であり。該種子の発芽を促進する波長の光が赤
色ダイオードの発色光であることを特徴とする請求項1に記載の発芽時期にある記載の水
生植物の種子の発芽及び成育方法。
The seeds of the dormant aquatic plants at the bottom of germination are the seeds of water-drawn plants, floating leaf plants, citrus, chromo, pinemo and / or shrimp. The method for germinating and growing seeds of an aquatic plant according to claim 1, wherein the light having a wavelength that promotes germination of seeds is colored light of a red diode.
発芽時期にある水底の休眠状態の水生植物の種子が車軸藻の種子であり。該種子の発芽
を促進する波長の光が青色ダイオードの発色光であることを特徴とする請求項1に記載の
発芽時期にあるに記載の水生植物の種子の発芽及び成育方法。
The seeds of dormant aquatic plants at the bottom of germination are the seeds of axle algae. The method for germinating and growing seeds of an aquatic plant according to claim 1, wherein the light having a wavelength that promotes germination of seeds is colored light of a blue diode.
浮台と、該浮台に設けられている昇降機と、浮台の下方に設けられ、前記昇降機に索を
介して接続し、該昇降機の作動により上昇及び下降可能の作業台と、該作業台に設けられ
ている水生植物の種子に照射して、該種子の発芽を促進させる波長の発色光を発するラン
プとを備えることを特徴とする発芽時期にある水生植物の種子の発芽及び成育装置。
A platform, an elevator provided on the platform, a work table provided below the platform, connected to the elevator via a cable, and capable of being lifted and lowered by operation of the elevator; and the work table An aquatic plant seed germination and growth apparatus in the germination period, comprising: a lamp that emits colored light having a wavelength that irradiates the seed of an aquatic plant provided in the plant and promotes germination of the seed.
水生植物の種子の発芽を促進させる波長の発色光を発するランプが、赤色及び青色ダイ
オードであることを特徴とする請求項4に記載の発芽時期にある水生植物の種子の発芽及
び成育装置。






The apparatus for germinating and growing seeds of aquatic plants in the germination period according to claim 4, wherein the lamps that emit colored light having a wavelength that promotes germination of the seeds of aquatic plants are red and blue diodes.






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