CN102487808A - Method and special device for monitoring epiphytic algae in multiple-sediment river - Google Patents
Method and special device for monitoring epiphytic algae in multiple-sediment river Download PDFInfo
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- CN102487808A CN102487808A CN2011103867005A CN201110386700A CN102487808A CN 102487808 A CN102487808 A CN 102487808A CN 2011103867005 A CN2011103867005 A CN 2011103867005A CN 201110386700 A CN201110386700 A CN 201110386700A CN 102487808 A CN102487808 A CN 102487808A
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- Y—GENERAL 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
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Abstract
A device for monitoring epiphytic algae in multiple-sediment river belongs to the filed of environment monitoring, which aims at overcoming the shortcoming that epiphytic algae sampling, quantitative researches on samples and intercomparison of the samples are inconveniently carried out in the river. In addition, a simple, convenient, safe and reliable method for sampling the epiphytic algae in the river is provided. Upper covers are covered on two semi-cylindrical or semi-circular truncated cone shaped mesh enclosures with the bottoms after the mesh enclosures are firmly combined, or an upper cover is covered on one cylindrical or circular truncated cone shaped mesh enclosure with the bottom to form a hollow closed mesh enclosure structure. Matrixes are vertically placed in the device for monitoring the epiphytic algae in the multiple-sediment river through strings in a hang mode, and the device is placed in a river system for monitoring. A plurality of or a variety of standardized matrixes can be simultaneously placed in the device to achieve continuous and repeated sampling, and the sampling area and comparison between the sampling area can be conveniently controlled.
Description
Technical field
The present invention has designed a kind of river that is used for and the method and the isolated plant thereof of giving birth to the algae bio monitoring, belongs to the environmental monitoring field.
Background technology
Along with the notion of environmental health is familiar with by people, water quality management no longer is confined to traditional chemical monitoring, and ecosystem integrality has become the target that water quality management is pursued.Therefore, the importance of biological monitoring is remarkable day by day.
Living algae and be one type attached on the matrix, not with the biology of flow.It is as the primary producer, receives directly influencing of various physical chemical factors in the environment, in addition, also has reproduction rate and short life history faster, therefore, can monitor the environmental change of short-term.Compare with planktonic algae, they can better reflect the habitat situation in river; Compare with fish with zoobenthos, the method for sampling of living algae is comparatively simple, relatively cheap, and is also less to the influence of other biological.Therefore, in the health evaluating that living algae is widely applied to river ecosystem.
In the sampling process of living algae, its to adhere to choosing of matrix extremely important, if the sample of collection can produce very big influence to evaluation result not representative.Yet in river ecosystem, because situation such as landform are complicated, it is big living algae sampling difficulty, and typical matrix is difficult to obtain.In the serious river course of some Large River and river courseization, even can't obtain any matrix of supply sampling.The substrates with different type is also affecting gives birth to algae grows and kind composition, thereby influences the mutual comparison between the sampled point.In addition, field sampling work is faced with many uncertainties, and the area of sampling matrix is difficult to control, or error is very big.Therefore, utilization has equal area and living algae gathering unit with unified matrix, can well address these problems.The advantage of this device be can be artificial this device is positioned over the section that needs monitoring, various alternative matrix type (wood, stone etc.) that the utilization size is identical is convenient to control sampling area and mutual comparison.
Summary of the invention
The objective of the invention is to overcome and in the river, be not easy to living algae sampling and the sample quantitative study is reached mutual shortcoming relatively with not enough; Provide a kind of convenient and simple, safe and reliable river the living algae method of sampling, provide convenience for monitoring department carries out biological monitoring.
The present invention has designed a kind of many substrates river and living algae monitoring method and isolated plant; Its monitoring method is characterised in that, the substrate material is positioned in the monitoring device, is positioned in the tested river water area the monitoring device of having placed substrate is floating; After a period of time; Retrieval device, collect obtain be attached on the substrate living algae thing, carry out assay.Described substrate is the substrate of various artificial materials, and each substrate is made the hollow square of 6 * 6 * 6cm size, and in the punching of the top, diagonal angle of substrate piece; With brush line cross substrate to the hook on the bottom surface on angular vertex and the monitoring device; Substrate is vertically fixed in the monitoring device, and the distance that keeps substrate and device upper bottom surface is between 30-80cm, and concrete height determines according to water transparency; When water transparency was higher, distance can be bigger; When water transparency was low, distance was then shorter relatively; Described monitoring device is floating to be positioned in the tested river water area; Method is that device is positioned over the section that needs monitoring; Buoy around the device can make device be suspended in the water surface all the time; Through the circular latch closure of device at loam cake, will install level (or vertical) and be fixed in the particular location on the river surface, guarantee that monitoring device is not washed away by current; Having placed the time that the monitoring device of substrate places in river water area is 2-3 week, specifically how long also can decide according to local climate condition and season, winter colder ground can proper extension standing time; After fetching monitoring device, will attached on the substrate living algae thing brush in the Xiao Bai bottle, use formaldehyde fixed then, take back lab analysis.
Implement the isolated plant that many substrates river living algae monitoring method; It is cylindrical or truncated cone-shaped hollow belt spacer screen cover structure; It is characterized in that described many substrates river living algae monitoring device and is divided into two semicolumns or half truncated cone-shaped band spacer screen cover and a loam cake, after two semicolumns or the fastening combination of half truncated cone-shaped band spacer screen cover; Its top adds and closes the lid, and forms a hollow close-network cover structure; Described many substrates river the cover body of the loam cake below of living algae monitoring device and places installation one circle buoy outward; Be used to make whole device flatly to swim in the water surface naturally, hook all be set on the bottom surface in described many substrates river living algae monitoring isolated plant.The edge frame of said net cover structure is a steel pipe; At two semicolumns or half truncated cone-shaped band spacer screen cover; One of them position, place that combines between the higher and lower levels; Respectively be welded with the tubule of an external diameter, be used to connect fastening two semicolumns or half truncated cone-shaped band spacer screen cover, be used for fastening bolt and respectively be welded with two in the hollow steel pipe outside of joint less than the framework pipe diameter.This many substrates river living algae monitoring device, also can be a cylinder or truncated cone-shaped band spacer screen cover and adds a cover a loam cake above that, forms a hollow close-network cover structure.Described loam cake is that stainless steel tube is made the across frame, is welded with the hole part that is used to pass shank of bolt at the end of cross steel pipe frame, and shank of bolt passes the hole part of the terminal weldering of cross steelframe during assembling, and the shank of bolt shell tool uses nut fastening afterwards; The fixedly hook of substrate material is installed on described loam cake and bottom surface,, is placed on many substrates river with the cord vertical hanging and in the living algae monitoring device at the matrix body punching two ends; Described many substrates river the cover body of the loam cake below of living algae monitoring device and places installation one circle buoy outward; Be used to make whole device flatly to swim in the water surface naturally, hook all be set on the bottom surface in described many substrates river living algae monitoring isolated plant.Cover on described to install and be used for circular latch closure above that, the other end of rope is fastened on the bank, be fixed on the water surface many substrates river living algae monitoring device with rope one end system.Described net cover structure is, with the steel screen cloth be welded in steel framework around with the bottom surface on, the formation net cover structure; Described guard aperture is 0.3-0.8cm
Apparatus of the present invention can be placed a plurality of or multiple standards matrix simultaneously; Can be under the prerequisite that does not influence other matrix; Carry out continuous several times sampling, can be artificial this device is positioned over the section that needs monitoring, various alternative matrix type (wood that the utilization size is identical; Stone etc.), be convenient to control sampling area and mutual comparison.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is two half-cylindrical guard sketch mapes of band spacer screen cover of the present invention
Fig. 3 is for being cross frame loam cake sketch map of the present invention
Fig. 4 is substrate and a hook sketch map of the present invention
Embodiment
A kind of many substrates river living algae monitoring method
A kind of many substrates river living algae monitoring method; Its monitoring method is characterised in that, the substrate material is positioned in the monitoring device, is positioned in the tested river water area the monitoring device of having placed substrate is floating; After a period of time; Retrieval device, collect obtain be attached on the substrate living algae thing, carry out assay.Described substrate is the substrate of various artificial materials, and each substrate is made the hollow square of 6 * 6 * 6cm size, and in the punching of the top, diagonal angle of substrate piece; With brush line cross substrate to the hook on the bottom surface on angular vertex and the monitoring device; Substrate is vertically fixed in the monitoring device, and the distance that keeps substrate and device upper bottom surface is between 30-80cm, and concrete height determines according to water transparency; When water transparency was higher, distance can be bigger; When water transparency was low, distance was then shorter relatively; Described monitoring device is floating to be positioned in the tested river water area; Method is that device is positioned over the section that needs monitoring; Buoy around the device can make device be suspended in the water surface all the time;, will install level (or vertical) and be fixed in the particular location on the river surface at the last circular latch closure that covers through device, guarantee that monitoring device is not washed away by current; Having placed the time that the monitoring device of substrate places in river water area is 2-3 week, specifically how long also can decide according to local climate condition and season, winter colder ground can proper extension standing time; After fetching monitoring device, will attached on the substrate living algae thing brush in the Xiao Bai bottle, use formaldehyde fixed then, take back lab analysis.Afterwards, dismantle special-purpose monitoring device, clean, in order to using next time.
A kind of many substrates river of realizing the isolated plant of living algae monitoring method
Embodiment one
A kind of many substrates river living algae monitoring device; Be cylindrical or truncated cone-shaped hollow belt spacer screen cover structure; After described many substrates river living algae monitoring device and is divided into two semicolumns or half truncated cone-shaped band spacer screen cover 1 and 3, two semicolumns of 2 and loam cakes or the 1 and 2 fastening combinations of half truncated cone-shaped band spacer screen cover, its top added and closes the lid 3; Form a hollow close-network cover structure; The cover body that described many substrates river the loam cake below of living algae monitoring device is placed outward a circle buoy is installed, and is used to make whole device flatly to swim in the water surface naturally, described many substrates river livings algae monitor in the isolated plant on hook all is set on the bottom surface.The edge frame of said net cover structure is a steel pipe; At two semicolumns or half truncated cone-shaped band spacer screen cover 1 and 2; One of them position, place that combines between the higher and lower levels; Respectively be welded with the tubule of an external diameter, be used to connect fastening two semicolumns or half truncated cone-shaped band spacer screen cover 1 and 2, be used for fastening bolt and respectively be welded with two in the hollow steel pipe outside of joint less than the framework pipe diameter; Described loam cake 3 is made the across frame for stainless steel tube, is welded with the hole part that is used to pass shank of bolt at the end of cross steel pipe frame, and shank of bolt passes the hole part of the terminal weldering of cross steelframe during assembling, and the shank of bolt shell tool uses nut fastening afterwards; On described loam cake 3 and bottom surface, the fixedly hook of substrate material is installed,, is placed on many substrates river with the cord vertical hanging and in the living algae monitoring device at the matrix body punching two ends; Described many substrates river the cover body of the loam cake below of living algae monitoring device and places installation one circle buoy outward, is used to make whole device flatly to swim in the water surface naturally; Install on the described loam cake 3 and be used for circular latch closure above that, the other end of rope is fastened on the bank, be fixed on the water surface many substrates river living algae monitoring device with rope one end system.Described net cover structure is, with the steel screen cloth be welded in steel framework around with the bottom surface on, the formation net cover structure; Described guard aperture is 0.3-0.8cm.
Embodiment two
A kind of many substrates river living algae monitoring device; Be a cylinder or truncated cone-shaped band spacer screen cover and add a cover a loam cake above that; Form a hollow close-network cover structure; The cover body that described many substrates river the loam cake below of living algae monitoring device is placed outward a circle buoy is installed, and is used to make whole device flatly to swim in the water surface naturally, described many substrates river livings algae monitor in the isolated plant on hook all is set on the bottom surface.The edge frame of said net cover structure is a steel pipe; Described loam cake 3 is made the across frame for stainless steel tube, is welded with the hole part that is used to pass shank of bolt at the end of cross steel pipe frame, and shank of bolt passes the hole part of the terminal weldering of cross steelframe during assembling; The shank of bolt shell tool uses nut fastening afterwards; On described loam cake 3 and bottom surface, the fixedly hook of substrate body material is installed,, is placed on many substrates river with the cord vertical hanging and in the living algae monitoring device at the matrix body punching two ends; Described many substrates river the cover body of the loam cake below of living algae monitoring device and places installation one circle buoy outward, is used to make whole device flatly to swim in the water surface naturally; Cover on described to install and be used for circular latch closure above that, the other end of rope is fastened on the bank, be fixed on the water surface many substrates river living algae monitoring device with rope one end system.Described net cover structure is, with the steel screen cloth be welded in steel framework around with the bottom surface on, the formation net cover structure; Described guard aperture is 0.3-0.8cm.
Claims (13)
1. substrate river more than a kind living algae monitoring method; It is characterized in that, the substrate material is positioned in the monitoring device, be positioned in the tested river water area the monitoring device of having placed substrate is floating; After a period of time; Retrieval device, collect obtain be attached on the substrate living algae thing, carry out assay.
2. a kind of many substrates as claimed in claim 1 river living algae monitoring method, it is characterized in that, described substrate is the substrate of various artificial materials; Each substrate is made the hollow square of 6 * 6 * 6cm size; And the punching on the top, diagonal angle of substrate piece, with brush line cross substrate to the hook on the bottom surface on angular vertex and the monitoring device, substrate is vertically fixed in the monitoring device; The distance that keeps substrate and device upper bottom surface is between 30-80cm; Concrete height is according to the water transparency decision, and when water transparency was higher, distance can be bigger; When water transparency was low, distance was then shorter relatively.
3. a kind of many substrates as claimed in claim 1 river living algae monitoring method; It is characterized in that described monitoring device is floating to be positioned in the tested river water area, method is that device is positioned over the section that needs monitoring; Buoy around the device can make device be suspended in the water surface all the time;, will install level (or vertical) and be fixed in the particular location on the river surface at the last circular latch closure that covers through device, guarantee that monitoring device is not washed away by current.
4. a kind of many substrates as claimed in claim 1 river living algae monitoring method; It is characterized in that; Having placed the time that the monitoring device of substrate places in river water area is 2-3 week; Specifically how long also can decide according to local climate condition and season, winter colder ground can proper extension standing time.
5. a kind of many substrates as claimed in claim 1 river living algae monitoring method, it is characterized in that, fetch monitoring device after, will attached on the substrate living algae thing brush in the Xiao Bai bottle, use formaldehyde fixed then, take back lab analysis.
6. implement the isolated plant that the described many substrates of claim 1 river living algae monitoring method for one kind; It is cylindrical or truncated cone-shaped hollow belt spacer screen cover structure; It is characterized in that; Described many substrates river living algae monitoring device and is divided into two semicolumns or half a truncated cone-shaped band spacer screen cover (1,2) and a loam cake (3), and after two semicolumns or the fastening combination of half truncated cone-shaped band spacer screen cover (1,2), its top adds close the lid (3); Form a hollow close-network cover structure; The cover body of loam cake (3) below is placed outward a circle buoy is installed, and is used to make whole device flatly to swim in the water surface naturally, on loam cake (3) in described many substrates river living algae monitoring isolated plant and the bottom surface the fixedly hook of substrate material is installed.
7. many substrates as claimed in claim 6 river living algae monitoring device; It is characterized in that; The edge frame of said net cover structure is a steel pipe, at two semicolumns or one of them position, place that combines between the higher and lower levels of half truncated cone-shaped band spacer screen cover (1,2), respectively is welded with the tubule of an external diameter less than the framework pipe diameter; Be used to connect fastening two semicolumns or half truncated cone-shaped band spacer screen cover (1,2), be used for fastening bolt and respectively be welded with two in the hollow steel pipe outside of joint.
8. many substrates as claimed in claim 6 river living algae monitoring device, it is characterized in that, described many substrates river living algae monitoring device to be a cylinder or truncated cone-shaped band spacer screen cover and to add a cover a loam cake above that.
9. living algae monitoring device like each described many substrates river of claim 6 to 8; It is characterized in that; Described loam cake (3) is made the across frame for stainless steel tube, is welded with the hole part that is used to pass shank of bolt at the end of cross steel pipe frame, and shank of bolt passes the hole part of the terminal weldering of cross steelframe during assembling; The shank of bolt shell tool uses nut fastening afterwards.
10. living algae monitoring device like each described many substrates river of claim 6 to 8; It is characterized in that; The hook of fixed base plastid is housed on the described loam cake (3) and the frame structure of going to the bottom; At the matrix body punching two ends, be placed on many substrates river with the cord vertical hanging and in the living algae monitoring device.
11. living algae monitoring device like any described many substrates river of claim 6 to 8; It is characterized in that; Described loam cake (3) is gone up the end system circular latch closure above that is used for rope is installed; The other end of rope is fastened on the bank, is fixed on the water surface many substrates river living algae monitoring device.
12. living algae monitoring device like any described many substrates river of claim 6 to 8, it is characterized in that, with the steel screen cloth be welded in steel framework around with the bottom surface on, formation net cover structure.
13. many substrates as claimed in claim 12 river living algae monitoring device, it is characterized in that, described guard aperture is 0.3-0.8cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110386700.5A CN102487808B (en) | 2011-11-28 | 2011-11-28 | Device for monitoring epiphytic algae in multiple-sediment river |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110386700.5A CN102487808B (en) | 2011-11-28 | 2011-11-28 | Device for monitoring epiphytic algae in multiple-sediment river |
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| Publication Number | Publication Date |
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| CN102487808A true CN102487808A (en) | 2012-06-13 |
| CN102487808B CN102487808B (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110386700.5A Expired - Fee Related CN102487808B (en) | 2011-11-28 | 2011-11-28 | Device for monitoring epiphytic algae in multiple-sediment river |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104962468A (en) * | 2015-07-03 | 2015-10-07 | 黎佛林 | Epiphytic diatom culture and collection device |
| CN105424400A (en) * | 2015-12-10 | 2016-03-23 | 华中农业大学 | United sampling device |
| CN108918178A (en) * | 2018-08-08 | 2018-11-30 | 中国科学院水生生物研究所 | A kind of portable attached algae sampler |
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| JP2004222692A (en) * | 2003-01-20 | 2004-08-12 | Tokushukai Kaiyo Igaku Kenkyusho:Kk | Multistage culture basket for sea grape using pearl net |
| CN2875054Y (en) * | 2005-12-29 | 2007-03-07 | 中国水产科学研究院南海水产研究所 | String cage apparatus for culturing seaweed |
| CN201042164Y (en) * | 2007-06-09 | 2008-04-02 | 中国海洋大学 | Floatable net cage for keeping scallop |
| CN101341851A (en) * | 2008-08-18 | 2009-01-14 | 山东省海水养殖研究所 | Artificial algae field and construction method |
| CN102217521A (en) * | 2011-06-01 | 2011-10-19 | 中国水产科学研究院淡水渔业研究中心 | Periphytic algae collector |
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2011
- 2011-11-28 CN CN201110386700.5A patent/CN102487808B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004222692A (en) * | 2003-01-20 | 2004-08-12 | Tokushukai Kaiyo Igaku Kenkyusho:Kk | Multistage culture basket for sea grape using pearl net |
| CN2875054Y (en) * | 2005-12-29 | 2007-03-07 | 中国水产科学研究院南海水产研究所 | String cage apparatus for culturing seaweed |
| CN201042164Y (en) * | 2007-06-09 | 2008-04-02 | 中国海洋大学 | Floatable net cage for keeping scallop |
| CN101341851A (en) * | 2008-08-18 | 2009-01-14 | 山东省海水养殖研究所 | Artificial algae field and construction method |
| CN102217521A (en) * | 2011-06-01 | 2011-10-19 | 中国水产科学研究院淡水渔业研究中心 | Periphytic algae collector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104962468A (en) * | 2015-07-03 | 2015-10-07 | 黎佛林 | Epiphytic diatom culture and collection device |
| CN105424400A (en) * | 2015-12-10 | 2016-03-23 | 华中农业大学 | United sampling device |
| CN108918178A (en) * | 2018-08-08 | 2018-11-30 | 中国科学院水生生物研究所 | A kind of portable attached algae sampler |
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| Publication number | Publication date |
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| CN102487808B (en) | 2014-07-02 |
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