JP2005211064A - Artificial floating island equipped with net for protecting fry and larva and purifying water quality - Google Patents

Artificial floating island equipped with net for protecting fry and larva and purifying water quality Download PDF

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JP2005211064A
JP2005211064A JP2004056845A JP2004056845A JP2005211064A JP 2005211064 A JP2005211064 A JP 2005211064A JP 2004056845 A JP2004056845 A JP 2004056845A JP 2004056845 A JP2004056845 A JP 2004056845A JP 2005211064 A JP2005211064 A JP 2005211064A
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floating island
net
fry
artificial floating
water
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Masuo Kato
増男 加藤
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/60Fishing; Aquaculture; Aquafarming

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Abstract

<P>PROBLEM TO BE SOLVED: To provide an artificial floating island capable of solving problems as follows: an artificial floating island conventionally provided has a body formed out of a synthetic resin, is structured so as to have a form of being floated on the surface of water, and therefore has defects of being overthrown and sharply bent by a strong wind and a mountainous wave; a shielding material for protecting fry gathering under the conventional floating island is not enough, so that the fry is exposed to a danger of being caught and eaten by a large-sized fish, and further, weights for fastening the conventional floating island to a certain position is not enough, so that the island is often floated; and a measure for purifying water quality is not especially taken and therefore the conventional floating island does not contribute to the growth of plants and organisms. <P>SOLUTION: This artificial floating island is structured so that a small-sized square body is positioned inside a large-sized square body which is formed by winding and fastening a nonwoven fabric formed out of a natural palm fiber around a synthetic resin foamed material, and then corners of both the bodies are connected by the materials having elasticity, respectively. A net is stretched over the bodies, and further nets having weights at their bottom ends are hung from peripheral edges of the large-sized square body into the water. The nets are coated with at least one kind selected from a mineral for emitting far infrared rays and a substance for producing a photocatalytic effect, so that the artificial floating island supplies an environment of purifying the water quality and growing the fry and larvae. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、池、湖沼、河川等における水質浄化、環境保全、稚魚や幼虫の育成を目的とした人工浮島に関している。  The present invention relates to an artificial floating island for the purpose of purifying water quality in a pond, lakes, rivers, etc., environmental conservation, and fostering of fry and larvae.

池、湖沼、河川等において汚泥の沈殿、富栄養化、汚染水の流入、光合成の不足、水の浄化作用の劣化等により水質汚染が問題になっている。また、環境保全のため水辺の緑化が重要で植生に関心が持たれている。外来魚の増加に伴い、体の小さい在来種の魚や稚魚幼虫が減少し、絶滅の危険に晒されているケースもある。そこで、池、湖沼、河川等における自然環境を豊かにするため浮島に関心がもたれている。浮島は水草などの塊が湖や沼の中に浮いて島のように見えるものであり、池底に堆積していた枯死した植物が浮上した上にミズゴケやスゲ類が生えたものもある。浮島の垂下根が浮島を一定場所に固定し、垂下根の下は魚やエビ類の生息場所となっている。また、ヨシ群落や湖岸の水面を覆う低木の薮も魚の産卵場所や隠れ場所を提供している。
これらの魚の隠れ場所の確保に加え、池、湖沼、河川等における水質浄化が問題になっている。ほとんどの場所ではフィルターや活性炭で水を濾過するような大掛かりな装置を使用するに至っていない。そこで、木炭を埋めて水の濾過を試みている。
水が濁ったり、水深がある場所では太陽光が水底まで達しないため、溶存酸素が乏しくなる。酸素の供給は植物と生物の育成に必要不可欠のものである。しかし、酸素の供給に関する技術は進んでいない。
In ponds, lakes, rivers, etc., water pollution is a problem due to sludge sedimentation, eutrophication, inflow of contaminated water, lack of photosynthesis, deterioration of water purification, etc. In addition, greening of the waterside is important for environmental conservation and is interested in vegetation. As the number of exotic fish increases, there are cases where small-sized native species of fish and larvae of larvae are decreasing and they are at risk of extinction. Therefore, there is interest in floating islands to enrich the natural environment in ponds, lakes and rivers. Floating islands appear to be like islands with a mass of aquatic plants floating in lakes and swamps, and some of them have sphagnum and sedges on top of dead plants that have accumulated on the bottom of the pond. The floating roots of the floating islands fix the floating islands in a certain place, and the bottom of the hanging roots is a habitat for fish and shrimps. Reed communities and shrubs that cover the waters of the lake shore also provide spawning and hiding places for fish.
In addition to securing these fish hiding places, water purification in ponds, lakes, rivers, etc. has become a problem. In most places, large-scale devices that filter water with a filter or activated carbon have not been used. Therefore, we are trying to filter water by filling charcoal.
In places where water is cloudy or deep, sunlight does not reach the bottom of the water, resulting in poor dissolved oxygen. The supply of oxygen is essential for the growth of plants and organisms. However, the technology related to the supply of oxygen is not advanced.

このように池、湖沼、河川等において自然環境の維持と稚魚や幼虫の隠れ場所の提供の重要さが理解される。ニゴロブナが産卵、孵化し、稚魚が成長するヨシ群落も減少し、ソウギョが放流されている湖では浮島の垂下根が食われてしまう。
浮島の下に稚魚や幼虫が集まり、魚の育成に大切な役割を果たしていることが知られているので、人工浮島を設けて稚魚や幼虫に隠れ場所を提供する試みがなされている。従来提供されている人工浮島は合成樹脂で躯体を形成し、水面に浮遊させる方式のものであるため、強風や高波で転覆したり、折れ曲がったりする欠点があった。また、浮島の下に集まった稚魚を保護する遮蔽物が不十分なため、大型魚に稚魚が捕食される危険もあった。更に、浮島を一定場所に固定する重りも不十分なため、浮島が浮遊することもあった。水質浄化の対策は取られていないため、植物や生物の育成に寄与することはできていない。そこで、本発明においては、浮島の上部にアシ、ヨシ、その他の植物等を植生、繁茂させることができ、浮島の下に集まった稚魚や幼虫が大型魚に捕食されないような対策がしてあり、水質浄化と酸素供給に寄与し、一定場所に定置できて強風や高波に転覆したり折れ曲がったりしない人工浮島を提供しようとするものである。
In this way, the importance of maintaining the natural environment and providing hiding places for larvae and larvae in ponds, lakes and rivers is understood. Nigorobuna lays eggs and hatches, and the reed community where fry grows also decreases, and the drooping roots of floating islands are eaten in the lake where the grass carp is released.
It is known that larvae and larvae gather under the floating island and play an important role in raising the fish, so an attempt has been made to provide a hiding place for the larvae and larvae by providing an artificial floating island. Conventionally provided artificial floating islands are made of a synthetic resin and are made to float on the surface of the water, so that they have the drawback of being overturned or bent by strong winds or high waves. There was also a risk that large fish would prey on the fry because of insufficient shielding to protect the fry gathered under the floating islands. In addition, the floating island may float due to insufficient weight to fix the floating island in place. Since no measures for water purification are taken, it cannot contribute to the growth of plants and organisms. Therefore, in the present invention, measures can be taken to prevent vegetation and larvae gathered under the floating island from being preyed by large fishes, by allowing reeds, reeds, and other plants to vegetate and grow on the upper part of the floating island. It is intended to provide an artificial floating island that contributes to water purification and oxygen supply, and can be placed at a fixed location and does not overturn or bend into strong winds and high waves.

本発明では、合成樹脂発泡体を天然ヤシ繊維からなる不織布で巻着した大型桝形躯体と小型桝形躯体を作成し、大型桝形躯体の内側に小型桝形躯体を設置して各コーナーを伸縮性を有する材料で連結している。上部にはネットが張られ、大型桝形躯体の周囲より下端に重りを有するネットを水中に垂下している。
合成樹脂発泡体は軟質が適している。合成樹脂発泡体は独立気泡なので水中においても浸水することがなく、浮力を保つ。合成樹脂発泡体に天然ヤシ繊維の不織布を巻着または接着することで、アシ、ヨシ、その他の植物を植生することが可能になり、水上の自然環境を維持することができる。
小型桝形躯体と大型桝形躯体の形状は、四角形、長方形、円形、楕円形、亀甲形、あるいはその他の形状でもよい。大型桝形躯体の外周より水中に垂下しているネットの下端に重り、鎖、碇等を装着することにより浮島の位置を固定することができる。大型桝形躯体の内側にネットを張ることで浮島の下に集まった稚魚や幼虫を鳥や他の水上からの捕食生物から保護することができる。
人工浮島内の稚魚や幼虫に最適な育成環境を提供するために、通常の天然植物繊維や合成樹脂繊維品に遠赤外線を発生する鉱物及び光触媒反応を行う金属を接着することで、水質浄化作用及び活性酸素発生により水中、水底の植物、生物育成環境を改善することができる。アルカリカンラン石は多くの元素を含有し、遠赤外線の強力な電磁波を放射し続けている。この電磁波が水質浄化に作用し、弱アルカリ水を造りだし、水の腐敗を防ぐ性能を有している。酸化チタンは光触媒反応をする材料として代表的な素材であり、太陽の紫外線やブラックライトなどを酸化チタンが受光すると、活性酸素を出す。ネットにアルカリカンラン石粉末と酸化チタン粉末を接着することで、人工浮島の下を稚魚や幼虫に最適な育成環境とすることができる。人工浮島を設置する場所の環境に応じ、アルカリカンラン石のみ、酸化チタンのみ、アルカリカンラン石と酸化チタンの混合体から選定して使用することができる。ネットへの付着方法に関しては、接着剤に混合して塗布、接着剤を塗布した上に付着、織り込み、蒸着、その他各種の方法が考えられる。
In the present invention, a large cocoon-shaped housing and a small cocoon-shaped housing are prepared by wrapping a synthetic resin foam with a nonwoven fabric made of natural palm fiber, and a small cocoon-shaped housing is installed inside the large cocoon-shaped housing, and each corner has elasticity. Connected with materials. A net is stretched on the upper part, and a net having a weight at the lower end from the periphery of the large-sized box-shaped housing is suspended in the water.
The synthetic resin foam is suitably soft. Since the synthetic resin foam is a closed cell, it will not be submerged in water and will maintain buoyancy. By winding or adhering a nonwoven fabric of natural palm fibers to a synthetic resin foam, it becomes possible to vegetate reeds, reeds, and other plants, and maintain a natural environment on water.
The shapes of the small and large cages may be quadrangular, rectangular, circular, elliptical, turtle shell, or other shapes. The position of the floating island can be fixed by attaching a chain, a hook, etc. to the lower end of the net hanging underwater from the outer periphery of the large bowl-shaped casing. By placing a net inside the large rod-shaped enclosure, fry and larvae gathered under the floating island can be protected from birds and other predatory organisms from the water.
In order to provide an optimal breeding environment for fry and larvae on artificial floating islands, water purification is achieved by bonding minerals that generate far-infrared rays and metals that undergo photocatalytic reactions to normal natural plant fibers and synthetic resin fiber products. In addition, the generation of active oxygen can improve the underwater plants, underwater plants, and the environment for breeding organisms. Alkali olivine contains many elements and continues to emit strong electromagnetic waves in the far infrared. This electromagnetic wave acts on water purification, creates weak alkaline water, and has the ability to prevent water spoilage. Titanium oxide is a typical material that undergoes a photocatalytic reaction. When titanium oxide receives solar ultraviolet rays or black light, it produces active oxygen. By adhering alkali olivine powder and titanium oxide powder to the net, it is possible to create an optimum breeding environment for fry and larvae under artificial floating islands. Depending on the environment where the artificial floating island is installed, only alkali olivine, only titanium oxide, or a mixture of alkali olivine and titanium oxide can be used. With respect to the method for adhering to the net, various methods such as adhering, weaving, vapor deposition, and the like after mixing with an adhesive and applying the adhesive are conceivable.

本発明の、その効果は下記の通りである。
(イ)稚魚や幼虫に最適の育成環境を提供する。
(ロ)水質を浄化し、活性酸素を提供する。
(ハ)強風や高波に転覆したり、折れ曲がったりしない人工浮島である。
(ニ)ネットで大型魚の侵入を防御し、稚魚や幼虫の隠れ場所となる。
(ホ)重りがあり草魚の被害を受けないため、人工浮島を固定位置に設置できる。
(ヘ)人工浮島の上部に植物を植生できる。
The effects of the present invention are as follows.
(I) Provide an optimal breeding environment for fry and larvae.
(B) Purify water quality and provide active oxygen.
(C) An artificial floating island that does not overturn or bend into strong winds or high waves.
(D) Protects large fish from entering the net and becomes a hiding place for fry and larvae.
(E) Since there is a weight and it is not damaged by grass fish, an artificial floating island can be installed at a fixed position.
(F) Plants can be planted on top of the artificial floating island.

以下、本発明の実施の形態について説明する。
大型桝形躯体(1)の内側に設置した小型桝形躯体(2)をスプリング(3)で各コーナーを連結し、上部にネット(4)を張っている。大型桝形躯体(1)の周囲よりネット(4)を水中に垂下し、下端に重り(5)が装着されている構成である。
Embodiments of the present invention will be described below.
Each corner of the small bowl-shaped casing (2) installed inside the large bowl-shaped casing (1) is connected by a spring (3), and a net (4) is stretched on top. The net (4) hangs down from the periphery of the large bowl-shaped casing (1), and the weight (5) is attached to the lower end.

図1は本発明になる人工浮島の構成を表す斜視図である。大型桝形躯体(1)及び小型桝形躯体(2)は芯材となる合成樹脂発泡体(11)を天然ヤシ繊維からなる不織布(12)で巻着している。合成樹脂発泡体(11)は独立気泡の軟質素材が適している。従来の人工浮島が強風や高波に転覆する問題点を合成樹脂発泡体(11)に軟質素材を使用することで避けることができる。合成樹脂発泡体(11)に巻着する不織布(12)は天然ヤシ繊維が自然環境に優しい天然植物繊維であるという意味で適しているが、他の素材を使用することもできる。天然ヤシ繊維には植物を植生することができ、自然環境保護に適している。
大型桝形躯体(1)の内側に設置した小型桝形躯体(2)をスプリング(3)で各コーナーを連結している。スプリング(3)はゴム等の伸縮性のある他の素材に代えることができる。大型桝形躯体(1)と小型桝形躯体(2)のコーナーをスプリング(3)で連結する理由は、外側の大型桝形躯体(1)と内側の小型桝形躯体(2)が独立して動くようにすることで、強風や高波の影響を減少させることにある。大型桝形躯体(1)と小型桝形躯体(2)の上部全面をネット(4)で覆い、大型桝形躯体(1)の周囲より下端に重り(5)を装着したネット(4)を水中に垂下している。図2は本発明になる人口浮島の平面図である。大型桝形躯体(1)と小型桝形躯体(2)のコーナーをスプリング(3)で連結している状態を示している。連結部分はコーナーに限定されたものではなく、連結にスプリング(3)を使用するが、あるいは他の伸縮性素材を使用でき、材質、形状を限定していない。また、ネット(4)の材質も限定されず、網目の大きさは使用する環境により異なってもよい。図2のように、上部に張るネット(4)を小型桝形躯体(2)の中間や下部にする方法もある。
図3は図2に記載のA−A’線に沿った断面図である。大型桝形躯体(1)と小型桝形躯体(2)を断面にした際、芯材となる合成樹脂発泡体(11)の外周に天然ヤシ繊維の不織布(12)を巻着している。接着部分は外周全体に限らず、部分的でもよい。合成樹脂発泡体(11)は独立気泡の軟質素材が適しているが、合成樹脂発泡体に限定されず、ゴ厶製袋に空気を注入した製品や他の適した素材でもよい。芯材となる合成樹脂発泡体(11)の断面形状は円筒形が適しているが、半円筒形や角材等他の形状でもよい。
図4は人口浮島のネット(4)に樹脂(21)を塗布し、アルカリカンラン石粉末(22)と酸化チタン粉末(23)を樹脂(21)へ接着させた状態を示す説明図である。バインダー(21)にアルカリカンラン石粉末(22)と酸化チタン粉末(23)を混合して塗布してもよく、樹脂(31)を塗布した上に、アルカリカンラン石粉末(22)と酸化チタン粉末(23)を振りかけて接着させてもよく、蒸着接着させる方法もある。
FIG. 1 is a perspective view showing a configuration of an artificial floating island according to the present invention. The large bowl-shaped casing (1) and the small bowl-shaped casing (2) are formed by winding a synthetic resin foam (11) as a core material with a nonwoven fabric (12) made of natural palm fibers. The synthetic resin foam (11) is suitably a closed-cell soft material. The problem that conventional artificial floating islands overturn to strong winds and high waves can be avoided by using a soft material for the synthetic resin foam (11). The nonwoven fabric (12) wound around the synthetic resin foam (11) is suitable in the sense that the natural palm fiber is a natural plant fiber friendly to the natural environment, but other materials can also be used. Natural palm fiber can be planted and is suitable for natural environment protection.
Each corner is connected to each other by a spring (3) in a small cage (2) installed inside the large cage (1). The spring (3) can be replaced with another elastic material such as rubber. The reason for connecting the corners of the large-sized frame (1) and the small-sized frame (2) with the spring (3) is that the outer large-sized frame (1) and the inner small-shaped frame (2) move independently. This is to reduce the effects of strong winds and high waves. Cover the entire upper surface of the large box-shaped frame (1) and small box-shaped frame (2) with a net (4), and drop the net (4) with a weight (5) attached to the lower end from the periphery of the large box-shaped frame (1). doing. FIG. 2 is a plan view of an artificial floating island according to the present invention. A state is shown in which the corners of the large-sized bowl-shaped casing (1) and the small-sized bowl-shaped casing (2) are connected by a spring (3). The connecting portion is not limited to the corner, and the spring (3) is used for the connection, or other stretchable materials can be used, and the material and shape are not limited. Further, the material of the net (4) is not limited, and the size of the mesh may be different depending on the environment to be used. As shown in FIG. 2, there is also a method in which the net (4) stretched on the upper part is formed in the middle or lower part of the small bowl-shaped casing (2).
3 is a cross-sectional view taken along the line AA ′ shown in FIG. When the large cocoon-shaped skeleton (1) and the small cocoon-shaped skeleton (2) are cross-sectioned, a non-woven fabric (12) of natural palm fibers is wound around the outer periphery of the synthetic resin foam (11) as a core material. The bonding portion is not limited to the entire outer periphery, and may be partial. The synthetic resin foam (11) is suitably a closed-cell soft material, but is not limited to a synthetic resin foam, and may be a product in which air is injected into a burdock bag or other suitable material. A cylindrical shape is suitable for the cross-sectional shape of the synthetic resin foam (11) as a core material, but other shapes such as a semi-cylindrical shape and a square shape may be used.
FIG. 4 is an explanatory view showing a state in which the resin (21) is applied to the net (4) of the artificial floating island and the alkali olivine powder (22) and the titanium oxide powder (23) are adhered to the resin (21). Alkali olivine powder (22) and titanium oxide powder (23) may be mixed and applied to the binder (21), and after applying the resin (31), alkali olivine powder (22) and titanium oxide powder. (23) may be sprinkled and adhered, and there is also a method of vapor deposition adhesion.

本発明になる人工浮島の構成を表す斜視図である。It is a perspective view showing the structure of the artificial floating island which becomes this invention. 本発明になる人口浮島の平面図である。It is a top view of the artificial floating island which becomes this invention. 図2に記載のA−A’線に沿った断面図である。FIG. 3 is a cross-sectional view taken along line A-A ′ illustrated in FIG. 2. ネットの説明図である。It is explanatory drawing of a net | network.

符号の説明Explanation of symbols

1 大型桝形躯体
2 小型桝形躯体
3 スプリング
4 ネット
5 重り
11 合成樹脂発泡体
12 不織布
21 樹脂
22 アルカリカンラン石粉末
23 酸化チタン粉末
DESCRIPTION OF SYMBOLS 1 Large bowl-shaped housing 2 Small bowl-shaped housing 3 Spring 4 Net 5 Weight 11 Synthetic resin foam 12 Nonwoven fabric 21 Resin 22 Alkaline olivine powder 23 Titanium oxide powder

Claims (2)

合成樹脂発泡体を天然ヤシ繊維からなる不織布で巻着して形成した大型桝形躯体と小型桝形躯体を伸縮性を有する材料で連結し、上部にネットを張り、大型桝形躯体の周囲より下端に重りを有するネットを水中に垂下していることを特徴とする稚魚、幼虫保護及び水質浄化ネットを装着した人工浮島。A large cocoon-shaped casing and a small cocoon-shaped casing formed by wrapping synthetic resin foam with a nonwoven fabric made of natural palm fiber are connected with a stretchable material, a net is attached to the upper part, and a weight is attached from the periphery of the large cocoon-shaped casing to the lower end. An artificial floating island equipped with a fry, larvae protection and water purification net characterized by hanging a net with water. ネットに遠赤外線を発生させる鉱物と光触媒反応を行う金属より選択される少なくとも一種を接着したことを特徴とする請求項1に記載の稚魚、幼虫保護及び水質浄化ネットを装着した人工浮島。The artificial floating island equipped with a fry, larvae protection and water purification net according to claim 1, wherein at least one selected from a mineral that generates far-infrared rays and a metal that performs a photocatalytic reaction is bonded to the net.
JP2004056845A 2004-01-31 2004-01-31 Artificial floating island equipped with net for protecting fry and larva and purifying water quality Withdrawn JP2005211064A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2442826A (en) * 2006-09-04 2008-04-16 Michael Terance Bakey Fish hides
CN106006984A (en) * 2016-07-11 2016-10-12 安徽锋亚环境技术有限公司 Intelligent ecological floating island system based on photoelectric and biological synergist effect
CN106472383A (en) * 2016-11-24 2017-03-08 周天赐 A kind of Mylopharyngodon piceus, grass carp parent fishes are hastened parturition and are temporarily supported device
CN110915745A (en) * 2019-12-13 2020-03-27 赵为娜 But cyclic utilization's aquatic products feeding device
CN111188374A (en) * 2020-02-17 2020-05-22 中国科学院南海海洋研究所 Environment-friendly composite basalt fiber reef-based grid suitable for coral reef substrate restoration and restoration method
CN114931123A (en) * 2022-05-31 2022-08-23 常州华溪渔业有限公司 Equipment is salvaged to plant that floats

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2442826A (en) * 2006-09-04 2008-04-16 Michael Terance Bakey Fish hides
GB2442826B (en) * 2006-09-04 2011-09-14 Michael Terence Bakey Fish hides
CN106006984A (en) * 2016-07-11 2016-10-12 安徽锋亚环境技术有限公司 Intelligent ecological floating island system based on photoelectric and biological synergist effect
CN106472383A (en) * 2016-11-24 2017-03-08 周天赐 A kind of Mylopharyngodon piceus, grass carp parent fishes are hastened parturition and are temporarily supported device
CN110915745A (en) * 2019-12-13 2020-03-27 赵为娜 But cyclic utilization's aquatic products feeding device
CN110915745B (en) * 2019-12-13 2021-09-28 宁夏悦海农牧开发有限公司 But cyclic utilization's aquatic products feeding device
CN111188374A (en) * 2020-02-17 2020-05-22 中国科学院南海海洋研究所 Environment-friendly composite basalt fiber reef-based grid suitable for coral reef substrate restoration and restoration method
CN114931123A (en) * 2022-05-31 2022-08-23 常州华溪渔业有限公司 Equipment is salvaged to plant that floats
CN114931123B (en) * 2022-05-31 2023-10-13 常州华溪渔业有限公司 Floating plant salvaging equipment

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