CN109964887A - A kind of Coral Reef Region bottom zooplankter luring and capturing device - Google Patents
A kind of Coral Reef Region bottom zooplankter luring and capturing device Download PDFInfo
- Publication number
- CN109964887A CN109964887A CN201910267136.1A CN201910267136A CN109964887A CN 109964887 A CN109964887 A CN 109964887A CN 201910267136 A CN201910267136 A CN 201910267136A CN 109964887 A CN109964887 A CN 109964887A
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- China
- Prior art keywords
- string bag
- zooplankter
- coral reef
- luring
- etting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 235000014653 Carica parviflora Nutrition 0.000 abstract description 18
- 241000243321 Cnidaria Species 0.000 abstract description 18
- 239000002028 Biomass Substances 0.000 abstract description 2
- 239000000523 sample Substances 0.000 description 20
- 239000012472 biological sample Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000027288 circadian rhythm Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241001600436 Plectroglyphidodon leucozonus Species 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 239000012805 animal sample Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000021191 food habits Nutrition 0.000 description 1
- 244000038651 primary producers Species 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 244000037459 secondary consumers Species 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
- 230000001228 trophic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K80/00—Harvesting oysters, mussels, sponges or the like
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
The invention discloses a kind of Coral Reef Region bottom zooplankter luring and capturing devices, including the upper string bag and the lower string bag, the lower string bag is connected with receiving flask, and the bottom of receiving flask is provided with bottle cap, online stomacher includes frame, and cover in being provided with collection port on the etting on frame, etting, the lower string bag is no bracket string bag, and with the seamless connection of the etting of the upper string bag, a complete string bag is formed, knot that can be undone by a pull is provided on the quadrangle of frame, knot that can be undone by a pull is connected with anchor by a cord.The present apparatus is placed on Coral Reef Region, is opened and closed to netting gear by zipper to acquire sample, collects sample by the receiving flask in off line portion of revealing all the details.According to research needs, obtain special objective period and enough coral reef bottom zooplankter samples, the purity and biomass of bottom zooplankter in the sample being collected into are increased simultaneously, reduce the pollution of bed mud and planktonic organism, the sorting time is shortened, is conducive to carry out bottom zooplankter sample further identification counting and subsequent analysis.
Description
Technical field
The present invention relates to a kind of Coral Reef Region bottom zooplankter luring and capturing devices, utilize special bottom zooplankter
Trap baiting net carries out luring and capturing to bottom zooplankter.
Background technique
Coral reef ecologic system is bio-diversity and high one of the marine ecosystems of primary productivity, is a variety of lifes
Object provides excellent habitat and food resource.Bottom zooplankter resource abundant is to coral in coral reef ecologic system
Reef ecosystem substance circulation and energy transmission play an important role.Small-sized bottom zooplankter as secondary consumer,
It is the main transmitter by primary producer to upper layer trophic level, determines to a certain extent to the food habits of different foods
The efficiency and scale that Primary Production is communicated up are determined, critical work are played to the basic production process of the entire ecosystem
With.Small-sized bottom zooplankter is the high-quality biological feed of coral fishes again simultaneously, and structure of community affects large-scale bottom
The structure of community of zooplankter.Therefore, research ecological to small-sized bottom feeding of zooplankton is conducive to understand coral reef life
Substance circulation and energy transmission status in state system, assessment coral reef ecologic system health and function.
It is ecological on condition that obtaining pure enough to understand the middle-size and small-size bottom feeding of zooplankton of coral reef ecologic system
Small-sized bottom zooplankter sample.Traditional bottom zooplankter sampling can mainly pass through direct trawlnet (vertical trawl net, tiltedly
Trawlnet) and acquisition bed mud mode carry out.Wherein direct trawlnet only can be from the biological sample obtained from surface layer to bottom, and drags
Coral damage is likely to result in network process, netting gear is damaged, loses, while causing to inhabit floating in the interstitial small-sized bottom of coral
Swim the missing of animal sample.Acquiring bed mud acquisition is more the biology lived in bed mud, and generally requires the more bottom of acquisition
Mud just can get enough small-sized bottom zooplankters.Since traditional method of sampling is in complicated coral reef ecologic system
Using there are limitations, enough pure bottom zooplankter samples can not be collected.So at present in coral reef ecologic system
The small-sized bottom Zooplankton Species composition of bottom zooplankter, especially bottom trip, circadian rhythm, situation of ingesting are still not clear,
It is still unclear in the status of the ecosystem and function, is unfavorable for illustrating small-sized bottom zooplankter in coral reef ecologic system
Ecological functions and assessment to coral reef ecologic system health and function.
Summary of the invention
In view of problem above, the present invention provides a kind of Coral Reef Region bottom zooplankter luring and capturing device, can be convenient
Obtain pure Coral Reef Region bottom zooplankter sample.
In order to achieve the above objectives, using following technical scheme:
A kind of Coral Reef Region bottom zooplankter luring and capturing device, including the upper string bag and the lower string bag, the lower string bag
Lower end is detachably connected with collection device, and the online stomacher includes the up-narrow and down-wide frame being made of bracket, and covers
Etting on the frame is provided with openable or closure collection port on the etting, and the lower string bag is no bracket net
Pocket, and the seamless connection of etting with the upper string bag form a complete string bag, the junction of the upper string bag and the lower string bag
Bracket angle on be provided with knot that can be undone by a pull, the knot that can be undone by a pull is connected with anchor by cord.
Further, the collection device includes receiving flask, and the receiving flask is connected to the lower string bag, the bottom of the receiving flask
Portion is provided with bottle cap, when needing to collect biological sample, can integrally remove receiving flask, or opening bottle cap will be in receiving flask
Biological sample pour into other containers.
Further, the collection device is the net bottom pipe of marine organisms net, the non-central position in lower end surface of the net bottom pipe
It installs and is equipped with notch, bottom cover is stamped in the lower end surface, and corresponding position is provided with identical notch on the bottom cover, described in rotation
Bottom cover can make two notches be overlapped or be staggered, so that the notch is opened or closed, when needing to collect biological sample, rotatable bottom
Lid, makes a breach, the biological sample of collection is poured into other containers.
Further, the bracket includes 8, wherein 4 composition four directions frame-shaped constructions, remaining 4 as seamed edge, jointly
Quadrangle taper frame is constituted, the knot that can be undone by a pull is set to four base angles of quadrangle conical lower portion.
Further, the bracket is plastic stent.
Further, one layer of crape is removably covered on the etting can remove crape when daytime acquires, when
When evening collecting sample, crape is covered on etting.
Further, it is provided with zipper in the collection port, is used to open or is closed the collection port.
The beneficial effects of the present invention are:
Coral Reef Region bottom zooplankter luring and capturing device of the present invention can get pure by being placed on Coral Reef Region
Coral Reef Region bottom zooplankter sample, acquire sample by being opened and closed using zipper to netting gear, pass through
The receiving flask in off line portion of revealing all the details collects sample.Special objective period and enough coral reef bottoms can be obtained according to research needs
Zooplankter sample, while the purity and biomass of bottom zooplankter sample in the sample being collected into are considerably increased, it reduces
The pollution of bed mud and planktonic organism shortens the sorting time, and the sample that is conducive to swim to bottom carries out further identification meter
Several and subsequent analysis.
Detailed description of the invention
Fig. 1 is Coral Reef Region bottom zooplankter luring and capturing apparatus structure schematic diagram of the present invention.
Detailed description of the invention:
The upper string bag of 10-；11- frame；12- collection port；121- zipper；13- etting；14- knot that can be undone by a pull；The string bag under 20-；30- is received
Collect bottle；31- collects bottle cap；40- anchor.
Specific embodiment
The contents of the present invention are described in further details with reference to the accompanying drawings and detailed description.
As shown in Figure 1, a kind of Coral Reef Region bottom zooplankter luring and capturing device, including the upper string bag 10 and the lower string bag
20。
The upper string bag 10 includes the up-narrow and down-wide frame 11 being made of plastic stent, and the net being covered on the frame
Clothing 13 is provided with openable or closure collection port 12 on the etting 13, is provided with zipper 121 in collection port, when needing to adopt
Zipper 121 is opened when collecting sample, zipper can be drawn on 121 when acquisition finishes, prevent zooplankter from swimming out of from collection port.
When acquiring sample at night, crape is covered on etting 13, crape is tied to bracket by way of slip-knot and is covered on etting,
When daytime acquires, crape is removed.
Frame 11 is quadrangle taper frame, is made of 8 plastic stents, wherein bottom edge of 4 brackets as square,
4 brackets remaining as seamed edge, collectively forms quadrangle pyramidal structure.Knot that can be undone by a pull is respectively arranged on four base angles of quadrangle taper frame
14。
The lower string bag 20 is no bracket string bag, and is seamlessly connected with the etting 13 of the upper string bag 10, and a complete string bag is formed.Dress
For placement location at seabed, the lower folding of the string bag 20 is placed on bottom.
The lower end of the lower string bag 20 is detachably connected with collection device.
In this embodiment, collection device includes receiving flask 30, and the bottom of receiving flask 30 is provided with bottle cap 31, collected sample
Product are collected in receiving flask 30, and sample can be poured into other containers by opening bottle cap 31,30 entirety of receiving flask can also be removed receipts
Collect sample.
Another structure type of collection device can be with are as follows: using the net bottom pipe of marine organisms net as collection device, institute
The lower end surface non-center position setting for stating net bottom pipe is jagged, and bottom cover is stamped in lower end surface, and corresponding position is provided with phase on bottom cover
With notch, rotation bottom cover can make two notches be overlapped or be staggered, to open or close notch, when needing to collect biological sample
When, rotatable bottom cover is made a breach, and the bottom zooplankter sample of collection is poured into other containers.
Device further includes anchor 40, is provided with aperture on anchor 40, after a cord to be passed through to the aperture on anchor, anchor can be tied up to four
On the knot that can be undone by a pull 14 of pyramid frame quadrangle.
Using the present apparatus carry out coral reef bottom zooplankter sample acquire when, due to device be before being lauched it is closed,
Diver uses anchoring fixed after the bottom requires to find suitable position according to actual samples, unzips before leaving and fixes door
It is good.Diver is dived again to the position of apparatus for placing after the suitable time, and zipper is pulled on, and takes out band device after fixed anchor
The zooplankter sample collection traped (is directly fixed or is put into fixer as needed immediately after taking away the water surface
Living body culture in filtering sea).
Pure Coral Reef Region bottom zooplankter sample can be collected using the device, simultaneously because zooplankter has
Circadian rhythm, in different waters, even in one day all there is difference in the structure of community of different periods and situation of ingesting to Various Seasonal
Different (rhythmicity) therefore according to research needs, can get the coral reef bottom zooplankter sample of special objective period.Simultaneously
It is placed on the water-bed time by the way that device is appropriately extended, is conducive to acquire more bottom zooplankter samples.The device is advantageous
Coral Reef Region Zooplankton Community structure and Feeding Ecology carry out system research in natural environment, improve to small-sized bottom
Ecological functions of the zooplankter in coral reef ecologic system and the understanding to coral reef ecologic system health and function.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and the embodiment is not to limit this hair
Bright the scope of the patents, all equivalence enforcements or change without departing from carried out by the present invention, is intended to be limited solely by the scope of the patents of this case.
Claims (7)
1. a kind of Coral Reef Region bottom zooplankter luring and capturing device, it is characterised in that: described including the upper string bag and the lower string bag
The lower end of the lower string bag is detachably connected with collection device, and the online stomacher includes the up-narrow and down-wide frame being made of bracket,
And cover in being provided with openable or closure collection port on the etting on the frame, the etting, the lower string bag is
Without the bracket string bag, and the seamless connection of etting with the upper string bag, form a complete string bag, the upper string bag and the lower string bag
Junction bracket angle on be provided with knot that can be undone by a pull, the knot that can be undone by a pull is connected with anchor by a cord.
2. Coral Reef Region bottom zooplankter luring and capturing device according to claim 1, it is characterised in that: the collection
Device includes receiving flask, and the receiving flask is connected to the lower string bag, and the bottom of the receiving flask is provided with bottle cap.
3. Coral Reef Region bottom zooplankter luring and capturing device according to claim 1, it is characterised in that: the collection
Device is the net bottom pipe of marine organisms net, and jagged, the lower end cover is arranged in the lower end surface non-center position of the net bottom pipe
There is bottom cover, corresponding position is provided with identical notch on the bottom cover, and rotating the bottom cover can make two notches be overlapped or be staggered,
To open or close the notch.
4. Coral Reef Region bottom zooplankter luring and capturing device according to claim 1, it is characterised in that: the bracket
Including 8, wherein 4 brackets constitute square bottom frame, remaining 4, as seamed edge, collectively form quadrangle pyramidal structure, institute
State four base angles that knot that can be undone by a pull is set to quadrangle taper.
5. Coral Reef Region bottom zooplankter luring and capturing device according to claim 1, it is characterised in that: the bracket
For plastic stent.
6. Coral Reef Region bottom zooplankter luring and capturing device according to claim 1, it is characterised in that: the etting
On be removably covered with one layer of crape.
7. Coral Reef Region bottom zooplankter luring and capturing device according to claim 1, it is characterised in that: the collection
Mouth edge is provided with zipper, is used to open or is closed the collection port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910267136.1A CN109964887A (en) | 2019-04-03 | 2019-04-03 | A kind of Coral Reef Region bottom zooplankter luring and capturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910267136.1A CN109964887A (en) | 2019-04-03 | 2019-04-03 | A kind of Coral Reef Region bottom zooplankter luring and capturing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109964887A true CN109964887A (en) | 2019-07-05 |
Family
ID=67082863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910267136.1A Pending CN109964887A (en) | 2019-04-03 | 2019-04-03 | A kind of Coral Reef Region bottom zooplankter luring and capturing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109964887A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702155A (en) * | 2019-10-17 | 2020-01-17 | 中国科学院南海海洋研究所 | Mounting rack self-growth fixing method of coral reef observation equipment |
| CN112956458A (en) * | 2021-02-02 | 2021-06-15 | 山东省海洋生物研究院 | Device and method for improving collecting and catching quality of intertidal shellfish products |
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Address after: No.1119 Haibin Road, Nansha District, Guangzhou City, Guangdong Province Applicant after: SOUTH CHINA SEA INSTITUTE OF OCEANOLOGY, CHINESE ACADEMY OF SCIENCES Address before: 510301 No. 164 West Xingang Road, Guangzhou, Guangdong, Haizhuqu District Applicant before: SOUTH CHINA SEA INSTITUTE OF OCEANOLOGY, CHINESE ACADEMY OF SCIENCES |