CN106012947B - A kind of Habitat for Fish division methods based on geographic and geomorphic conditions - Google Patents
A kind of Habitat for Fish division methods based on geographic and geomorphic conditions Download PDFInfo
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The invention discloses a kind of Habitat for Fish division methods based on geographic and geomorphic conditions, mainly include the following steps:(1) determine that Habitat for Fish divides bounds;(2) feature fish and the topography and landform character factor are determined;(3) subregion is given to Habitat for Fish;(4) Habitat for Fish is classified;(5) classified to Habitat for Fish safeguard measure;(6) quantitatively evaluating is given to Habitat for Fish protection.The present invention is under based on the requirement of the topography and landform characters factor conditions such as river longitudinal direction form, river transverse direction form, river local form; according to Habitat for Fish protection domain subregion, degree of protection classification, the division principle for protecting classifying content; protection, reparation, compensation and the research work requirement with deploying river fishes habitat are planned from source; it fills up and perfect China river fishes habitat protection theoretical and technological studies system, realizes the win-win of social benefit, economic benefit and environmental benefit.
Description
Technical field
The invention belongs to fish management technical fields, are specifically related to a kind of Habitat for Fish based on geographic and geomorphic conditions
Division methods.
Background technology
Habitat typically refers to the region or environmental form of certain biology or some ecological group's existence procreation, broadly,
The living space of biology is not only contained in the concept of habitat, while also contains whole envirment factors in living space.It is right
For fish, habitat refers to maintain its normal life, grows, looks for food, breeding and the field of other life cycles
Institute, waters scope necessary to completing whole history of life processes including fish, such as spawning ground, feeding ground, wintering ground and connection
The migration passage in different Life Stages waters etc., Habitat for Fish not only provide the living space of fish, while also provide full
Sufficient Fish Survival, growth, whole envirment factors of breeding, such as topography and geomorphology (river longitudinal direction form, river transverse direction form, river
Local form etc.), hydrodynamic force (waterpower class condition, fluidised form class condition etc.), hydrologic regime (flow and process, the depth of water, range of stage
And duration, sediment charge etc.), quality of water environment (water temperature, dissolved oxygen, COD etc.) etc., topography and geomorphology factor side
The physical aspect condition of Habitat for Fish is overweighted, the hydrodynamic force that hydrodynamic force, the hydrologic regime factor then lay particular emphasis on Habitat for Fish is special
Sign, hydrologic process, the quality of water environment factor then lay particular emphasis on the condition of water quality of Habitat for Fish.
With hydraulic and hydroelectric engineering etc. paddle the continuous development of building, especially barrage dam construction with operation change
Where river the envirment factors condition such as topography and geomorphology, hydrodynamic force, hydrologic regime, quality of water environment, to being related to the fish in river
Class resource and its diversity generate profound influence.China possesses the most country of dam quantity, and dam as the whole world
Quantity is still constantly rising, and as national water conservancy and hydropower infrastructure construction dynamics of investment persistently increases in recent years, quantity rises
Trend is more obvious, and the paddle Habitat for Fish protection problem that building is brought such as hydraulic and hydroelectric engineering is also increasingly prominent, urgently
Need planning and deployment science, reasonable, the Habitat for Fish safeguard measure of strong operability.At present, China's river fishes habitat
Greatly all in research, imagination, design phase, reported correlative study is mainly concentrated for protection, reparation, compensation and research work
In terms of Habitat for Fish appraisal procedure scheduling theory research, for the research theory and technical system of the protection of river fishes habitat
Not yet into system, it is suitble to the example that the technology maturation of China's river reality and national conditions, protecting effect are preferable and easy to operation, implement
It is more a lack of, guidance actual to engineering is limited, and also there are gaps compared with external more perfect theory and technical method, it is difficult to
Realize the effective unified and balance of environmental benefit, economic benefit, social benefit.
Therefore, the Habitat for Fish system division of suitable China's river environment factor reality and protection work how are carried out,
China river fishes habitat protection theoretical and technological studies system is filled up and improved, and is planning technology maturation, protecting effect
Habitat for Fish protection example place mat theory and technical foundation preferable and easy to operation, implement, are very necessary.
The content of the invention
To solve the above problems, the present invention provides a kind of Habitat for Fish division methods based on geographic and geomorphic conditions.
This method is based on the requirement of the topography and landform characters factor conditions such as river longitudinal direction form, river transverse direction form, river local form
Under, give river fishes habitat subregion, classification, classification, and according to the protection of Habitat for Fish, reparation, compensation and scientific research
Science, reasonable, the Habitat for Fish safeguard measure system of strong operability are planned, dispose and improved to job requirement, to realize environment
Benefit, economic benefit, the effective unified and balance of social benefit.
The present invention is achieved by following technical solution.
A kind of Habitat for Fish division methods based on geographic and geomorphic conditions, include the following steps:
(1) determine that Habitat for Fish divides bounds:According to the different fish of river basins globality or section locality
The protection requirement of class habitat determines that basin or the division of section Habitat for Fish are related to the bounds of river Heavenly Stems and Earthly Branches stream;
(2) feature fish and the topography and landform character factor are determined:The stock of fish, topography and geomorphology feelings in investigation bounds
Condition, and feature fish and the topography and landform character factor closely related with it in bounds are determined according to investigation achievement;
(3) subregion is given to Habitat for Fish:According to the feature fish space distribution situation in bounds, with reference to spy
The closely related topography and landform character factor in waters where levying fish carries out fish habitat from space layout angle to bounds
The subregion on ground;Wherein, it is by the Habitat for Fish divisional type of geographic and geomorphic conditions division:According to river longitudinal direction topography and geomorphology item
The rapids zone of part division, area of slack water, wriggle area and straight area;The section divided according to river transverse direction geographic and geomorphic conditions is complicated
Area, section simple zones, profundal zone, phytal zone, substrate enrich area, substrate simple zones, roughness great Qu and roughness cell;According to river
The natural section area of the building upstream and downstream of paddling of local geographic and geomorphic conditions division, Tao River area, rise section area, pool
Compact district, pool rarefaction, shoal compact district, shoal rarefaction, middle bar compact district, middle bar rarefaction, branch inflow remittance are close
Ji Qu, branch flow into remittance rarefaction, mainstream crotch region and tributary doab;
(4) Habitat for Fish is classified:According to river ecological functional localization and protective plan to special in the range of border
The protection requirement of fish is levied, the Habitat for Fish of each divisional type in the range of border is divided according to the requirement of degree of protection rank
Grade;
(5) classified to Habitat for Fish safeguard measure:According to Habitat for Fish subregion, classification feelings in bounds
Condition, and combine, bounds in each subregion actual with the closely related topography and landform character factor in waters where feature fish
In the Habitat for Fish protection domain of type, according to the requirement of corresponding protection level, science, reasonable, operation are planned, dispose and improved
Property strong all types of Habitat for Fish safeguard measure systems, wherein, Habitat for Fish safeguard measure type is:The measure of protection class,
Repair class measure, the measure of compensation class, scientific research class measure;
(6) quantitatively evaluating is given to Habitat for Fish protection:According to bounds Nei Ge areas, at different levels, all kinds of fish habitats
The quantization characteristic of the planning of ground safeguard measure system and deployment scenario, watershed or section Habitat for Fish protection achievement refers to
Mark is evaluated;
Step (1) the Habitat for Fish protection requirement is according to river ecological functional localization and protective plan to being related to basin
Or section building engineering of paddling builds comprehensive development and utilization mating protection of fish resources requirement is needed to be determined;The border
Scope should be according to the aquatic ecosystem integrality of river Heavenly Stems and Earthly Branches stream and its hydraulic connection is actual is determined.
Stock of fish situation described in the step (2) includes fish fauna composition, resource abundance, protection requirement, ecology
The important habitats distribution position such as habit and fish spawning ground, feeding ground, wintering ground and scale situation;The topography and geomorphology feelings
Condition includes river longitudinal direction form, river transverse direction form, river local form situation;The feature fish refer to and Habitat for Fish
Divide closely related, shielded rare, in imminent danger and Endemic fish;The topography and landform character factor is to be given birth to feature fish
The closely related topography and geomorphology factor of work habit, eating habit, reproductive habit.
Tao River area refers to hydraulic and hydroelectric engineering, water transfer structures engineering is taken to paddle under building in the step (3)
The Tao River of trip, the reservoir dam including hydroelectric project to power plant building section section, hydraulic engineering reservoir dam to downstream
Larger branch afflux section section;The section area of rising refers to the Reservoir region section of hydraulic and hydroelectric engineering dam upstream, bag
It includes Reservoir Tail water level and disappears and fall the fluctuation backwater section of generation;If the mainstream crotch region refers to that river mainstream is divided into the plane
The region in Gan Cha roads, it is smaller than drop, silt content, flood peak coefficient of variation and flow luffing be mainstream crotch region formed favourable item
Part;The tributary doab refers to that river mainstream is divided into after several Cha Dao flow through certain distance, and is converged at lower reaches of river
The region of stream.
In the step (5) protection class measure refer to natural river retains, fish protection zoning is fixed, fish substitute habitat,
Fisheries administrative measure;The reparation class measure refers to that habitat is repaired in river, floodplain connectedness is repaired, Riparian Zone ecology is repaiied
Multiple measure;The compensation class measure referred to that fish led fish, artificial fecundation releases, artificial fish nest, ecological flow are dispatched, water temperature becomes
Changing influences Mitigation methods;The scientific research class measure refers to the research of Habitat for Fish Influencing Mechanism, stock of fish monitoring and investigation, guarantor
Protect measure effect assessment measure.
The quantization characteristic index of watershed or section Habitat for Fish protection achievement is in the step (6):Naturally
Section retention rate, fish protection area accounting, replacement and reconstruction habitat accounting, river system connectedness, habitat type are various
Property and safeguard measure coverage rate;Wherein, the natural section length that natural section retention rate refers to retain in bounds accounts for border
The ratio of scope Heavenly Stems and Earthly Branches stream section total length;Fish protection area accounting refers to that the rare Endemic fish delimited in bounds is natural
Protection zone, Fish Germplasm Resources protection zone section length account for the ratio of bounds Heavenly Stems and Earthly Branches stream section total length;It substitutes and reproduces
Habitat accounting refers in bounds to substitute habitat by fish that account for bounds Heavenly Stems and Earthly Branches stream section total with reproducing habitat section length
The ratio of length;River system connectedness refers to the continuity and water system of the Heavenly Stems and Earthly Branches stream in river in bounds, upstream and downstream current
Connection situation;Habitat type diversity refers to pool in bounds, shoal, the type of all kinds of Habitat for Fish of middle bar
Abundant degree situation;Safeguard measure coverage rate refers to that Habitat for Fish safeguard measure implementation all types of in bounds is related to river
Section accounts for the ratio of bounds Heavenly Stems and Earthly Branches stream section total length.
The beneficial effects of the invention are as follows:
The present invention is based on topography and landform characters factors such as river longitudinal direction form, river transverse direction form, river local forms
It under condition requirement, is classified according to Habitat for Fish protection domain subregion, degree of protection, the division principle of protection classifying content, from
Source plans and deploys the protection of river fishes habitat, reparation, compensation and research work requirement, fills up and perfect China
Theoretical and technological studies system is protected in river fishes habitat, and for planning technology is ripe, protecting effect is preferable and easy to operation,
The Habitat for Fish of implementation protects example place mat theoretical and technical foundation, realizes social benefit, economic benefit and Environmental Effect
The win-win of benefit.
Description of the drawings
Fig. 1 the method FB(flow block)s of the present invention.
Specific embodiment
Technical scheme is further described below in conjunction with the accompanying drawings, but claimed scope is not limited to institute
It states.
As shown in Figure 1, a kind of Habitat for Fish division methods based on geographic and geomorphic conditions of the present invention, comprising with
Lower step:
(1) determine that Habitat for Fish divides bounds:According to the different fish of river basins globality or section locality
The protection requirement of class habitat determines that basin or the division of section Habitat for Fish are related to the bounds of river Heavenly Stems and Earthly Branches stream, and fish dwell
The protection requirement of breath ground should be according to river ecological functional localization and protective plan to being related to basin or section building engineering of paddling is built
If wait comprehensive development and utilizations that mating protection of fish resources requirement is needed to be determined;Bounds should be according to the water of river Heavenly Stems and Earthly Branches stream
Raw ecosystem integrity and its hydraulic connection is actual is determined.
(2) feature fish and the topography and landform character factor are determined:The stock of fish, topography and geomorphology feelings in investigation bounds
Condition, and feature fish and the topography and landform character factor closely related with it in bounds are determined according to investigation achievement;Fish
The investigation of class resource situation should include fish fauna composition, resource abundance, protection requirement, ecological habit (life habit, habit of ingesting
Property, reproductive habit etc.) and the important habitats distribution position such as fish spawning ground, feeding ground, wintering ground and situations such as scale;Ground
The condition survey of shape landforms should include river longitudinal direction form, and (bottom of river channel falls than the long bed level of the river in unit river between dropping-two sections
Difference, wriggle degree-section two-end-point between along straight length between the length of river central axis and two-end-point ratio), river
Horizontal form (section complexity coefficient-the ratio between section wetted perimeter and river width, water surface width and depth under breadth depth ratio-river tankful state
The ratio between degree, substrate-megalith, cobblestone, cobble, gravel, sand and mud and six class of clay, roughness-reflection river are laterally disconnected
A comprehensive dimensionless factor being influenced on resistance to water-flow of degree of roughness for face riverbed composition), river local form (water conservancy water
Electrical engineering, bridge ferryman journey, take the building layouts of paddling such as water transfer structures engineering at port engineering, pool number, density, the depth of water,
The gradient, area, shoal number, density, the depth of water, area, middle bar number, density, area, branch afflux, mainstream bifurcated, tributary
Confluence) situations such as;Feature fish refer to divides closely related, shielded rare, in imminent danger and Endemic fish with Habitat for Fish;
The topography and landform character factor be with the closely related topography and geomorphology such as feature fish life habit, eating habit, reproductive habit because
Son.
(3) subregion is given to Habitat for Fish:Should according to the feature fish space distribution situation in bounds, with reference to
The closely related topography and landform character factor in waters where feature fish carries out fish to bounds from space layout angle and dwells
The subregion on ground is ceased, the Habitat for Fish divisional type divided by geographic and geomorphic conditions generally comprises:
A, rapids zone, area of slack water, sinuous area and the straight area divided according to river longitudinal direction geographic and geomorphic conditions;
B, according to river transverse direction geographic and geomorphic conditions divide section complex area, section simple zones, profundal zone, phytal zone,
Substrate enriches area, substrate simple zones, roughness great Qu and roughness cell;
C, the natural section area of the building upstream and downstream of paddling divided according to river part geographic and geomorphic conditions, Tao River
Area, section area of rising, pool compact district, pool rarefaction, shoal compact district, shoal rarefaction, middle bar compact district, middle bar
Rarefaction, branch flow into remittance compact district, branch flows into remittance rarefaction, mainstream crotch region and tributary doab.
The Tao River area is primarily referred to as hydraulic and hydroelectric engineering, water transfer structures engineering etc. is taken to paddle building downstream
Tao River, the reservoir dam including hydroelectric project are larger to power plant building section section, hydraulic engineering reservoir dam to downstream
Branch afflux section section etc.;Section area of rising is primarily referred to as the Reservoir region section of hydraulic and hydroelectric engineering dam upstream, including
Reservoir Tail water level, which disappears, falls the fluctuation backwater section of generation;Mainstream crotch region be primarily referred to as river mainstream be divided into the plane it is several
The region of Cha Dao, it is smaller than drop, silt content, flood peak coefficient of variation and flow luffing be mainstream crotch region formed favourable item
Part;Tributary doab is primarily referred to as river mainstream and is divided into after several Cha Dao flow through certain distance, and is converged at lower reaches of river
The region of stream.
(4) Habitat for Fish is classified:According to river ecological functional localization and protective plan to special in the range of border
The protection requirement of fish is levied, the Habitat for Fish of each divisional type in the range of border is divided according to the requirement of degree of protection rank
Grade;Habitat for Fish protection hierarchical type is generally:Particularly severe rank, strict level, general rank.Particularly severe rank is
Refer to the rare Endemic fish nature reserve area at county level and above such as national, provincial level, city-level, Fish Germplasm Resources protection zone,
Habitat for Fish protection related work requirement should be according to《Regulations on the Nature Protec tion Regions of the People's Re public of China》To nature reserve area
Core space, buffering area, test block correspond to requirement and《Fish Germplasm Resources protection zone manages Tentative Measures》Aquatic products germplasm is provided
The core space in source protection area, test block correspond to requirement and are strictly enforced;Strict level refers to according to provincial, city-level, fish at county level
Class protection of resources relevant laws and regulations protect correlation to being related to each divisional type Habitat for Fish in basin or section bounds
Work gives mating requirement;General rank refers to according to river Heavenly Stems and Earthly Branches stream, upstream and downstream ecological environment holistic health sustainable development
Exhibition needs, and gives mating want to being related to each divisional type Habitat for Fish protection related work in basin or section bounds
It asks.
(5) classified to Habitat for Fish safeguard measure:According to Habitat for Fish subregion, classification feelings in bounds
Condition, and combine, bounds in each subregion actual with the closely related topography and landform character factor in waters where feature fish
In the Habitat for Fish protection domain of type, according to the requirement of corresponding protection level, science, reasonable, operation are planned, dispose and improved
Property strong all types of Habitat for Fish safeguard measure systems, Habitat for Fish safeguard measure type is generally:The measure of protection class is repaiied
Multiple class measure, the measure of compensation class, scientific research class measure.Protection class measure is primarily referred to as natural river reservation, fish protection area (nature
Protection zone, Fish Germplasm Resources protection zone etc.) delimit, fish substitute habitat, the measures such as fisheries administrative;Repairing class measure is mainly
Refer to habitat in river and repair (existing facility dismounting, habitat reconstruction, spawning ground reconstruction etc.), the connective reparation in floodplain, riverbank
The measures such as band restoration of the ecosystem;Compensation class measure was primarily referred to as that fish leads fish, artificial fecundation releases, artificial fish nest, ecological flow tune
Degree, water temperature variation influence the measures such as to slow down;Scientific research class measure is primarily referred to as the research of Habitat for Fish Influencing Mechanism, stock of fish prison
The measures such as survey and investigation, safeguard measure recruitment evaluation.
(6) quantitatively evaluating is given to Habitat for Fish protection:It should be dwelt according to bounds Nei Ge areas, at different levels, all kinds of fish
The quantization characteristic of the planning of breath ground safeguard measure system and deployment scenario, watershed or section Habitat for Fish protection achievement
Index is evaluated, using the scientific basis as river Heavenly Stems and Earthly Branches stream, upstream and downstream ecological environment holistic health evaluation of sustainable development,
Basin or section Habitat for Fish protection achievement quantization characteristic index based on geographic and geomorphic conditions are generally:Natural section
Retention rate, fish protection area accounting, replacement and reconstruction habitat accounting, river system connectedness, habitat type diversity, guarantor
Shield measure coverage rate etc..The natural section length that natural section retention rate refers to retain in bounds accounts for bounds Heavenly Stems and Earthly Branches stream
The ratio of section total length;Fish protection area accounting refers to the rare Endemic fish nature reserve area delimited in bounds, water
Production plasm resource protection area section length accounts for the ratio of bounds Heavenly Stems and Earthly Branches stream section total length;It substitutes and reconstruction habitat accounting
Refer to that fish substitute the ratio that habitat accounts for bounds Heavenly Stems and Earthly Branches stream section total length with reproducing habitat section length in bounds;
River system connectedness refers to the Heavenly Stems and Earthly Branches stream in river in bounds, the continuity of upstream and downstream current connects situation with water-based;
Habitat type diversity refers to that the type of all kinds of Habitat for Fish such as pool in bounds, shoal, middle bar enriches degree
Situation;Safeguard measure coverage rate refers to that Habitat for Fish safeguard measure implementation all types of in bounds is related to section and accounts for border
The ratio of scope Heavenly Stems and Earthly Branches stream section total length.
Claims (4)
1. a kind of Habitat for Fish division methods based on geographic and geomorphic conditions, it is characterised in that:Include the following steps:
(1) determine that Habitat for Fish divides bounds:It is dwelt according to the fish that river basins globality or section locality are different
The protection requirement of breath ground determines that basin or the division of section Habitat for Fish are related to the bounds of river Heavenly Stems and Earthly Branches stream;
(2) feature fish and the topography and landform character factor are determined:The stock of fish, topography and geomorphology situation in investigation bounds,
And feature fish and the topography and landform character factor closely related with it in bounds are determined according to investigation achievement;
The stock of fish situation includes fish fauna composition, resource abundance, protection requirement, ecological habit and fish oviposition
Field, feeding ground, the important habitats distribution position in wintering ground and scale situation;The topography and geomorphology situation include river longitudinal direction form,
River transverse direction form, river local form situation;The feature fish refer to Habitat for Fish divide it is closely related, protected
Rare, the in imminent danger and Endemic fish of shield;The topography and landform character factor is and feature fish life habit, eating habit, numerous
Grow the closely related topography and geomorphology factor of habit;
(3) subregion is given to Habitat for Fish:According to the feature fish space distribution situation in bounds, with reference to feature fish
The closely related topography and landform character factor in waters where class carries out Habitat for Fish from space layout angle to bounds
Subregion;Wherein, it is by the Habitat for Fish divisional type of geographic and geomorphic conditions division:It is drawn according to river longitudinal direction geographic and geomorphic conditions
Rapids zone, area of slack water, sinuous area and the straight area divided;According to the section complex area of river transverse direction geographic and geomorphic conditions division, break
Face simple zones, profundal zone, phytal zone, substrate enrich area, substrate simple zones, roughness great Qu and roughness cell;It is local according to river
The natural section area of the building upstream and downstream of paddling of geographic and geomorphic conditions division, Tao River area, section area of rising, pool are intensive
Area, pool rarefaction, shoal compact district, shoal rarefaction, middle bar compact district, middle bar rarefaction, branch flow into converge compact district,
Branch flows into remittance rarefaction, mainstream crotch region and tributary doab;
The Tao River area refers to hydraulic and hydroelectric engineering, water transfer structures engineering is taken to paddle the Tao River in building downstream,
Reservoir dam including hydroelectric project is to power plant building section section, hydraulic engineering reservoir dam to the larger branch afflux area in downstream
Between section;The section area of rising refers to the Reservoir region section of hydraulic and hydroelectric engineering dam upstream, including Reservoir Tail water level
Disappear and fall the fluctuation backwater section of generation;The mainstream crotch region refers to that river mainstream is divided into the region of several Cha Dao in the plane,
Smaller ratio drop, silt content, flood peak coefficient of variation and flow luffing are the advantage that mainstream crotch region is formed;It converges in the tributary
Stream area refers to that river mainstream is divided into after several Cha Dao flow through certain distance, and the region converged at lower reaches of river;
(4) Habitat for Fish is classified:According to river ecological functional localization and protective plan to feature fish in the range of border
The protection requirement of class is classified the Habitat for Fish of each divisional type in the range of border according to the requirement of degree of protection rank;
(5) classified to Habitat for Fish safeguard measure:According to Habitat for Fish subregion, classification situation in bounds, and
With reference to actual, each divisional type in bounds with the closely related topography and landform character factor in waters where feature fish
In Habitat for Fish protection domain, according to the requirement of corresponding protection level, plan, dispose and improve science, rationally, strong operability
All types of Habitat for Fish safeguard measure systems, wherein, Habitat for Fish safeguard measure type is:It protects class measure, repair class
Measure, the measure of compensation class, scientific research class measure;
(6) quantitatively evaluating is given to Habitat for Fish protection:It is protected according to bounds Nei Ge areas, at different levels, all kinds of Habitat for Fish
Planning and the deployment scenario of Measure Systems are protected, watershed or section Habitat for Fish protect the quantization characteristic index of achievement to give
With evaluation.
2. a kind of Habitat for Fish division methods based on geographic and geomorphic conditions according to claim 1, it is characterised in that:
Step (1) the Habitat for Fish protection requirement is related to according to river ecological functional localization with protective plan to being related to basin or section
Water buildings engineering construction comprehensive development and utilization needs mating protection of fish resources requirement to be determined;The bounds answers root
According to river Heavenly Stems and Earthly Branches stream aquatic ecosystem integrality and its hydraulic connection is actual is determined.
3. a kind of Habitat for Fish division methods based on geographic and geomorphic conditions according to claim 1, it is characterised in that:
Protection class measure refers to that natural river retains, fish protection zoning is fixed, fish substitute habitat, fisheries administrative in the step (5)
Measure;The reparation class measure refers to that habitat is repaired in river, floodplain connectedness is repaired, Riparian Zone restoration of the ecosystem measure;
The compensation class measure referred to that fish led fish, artificial fecundation releases, artificial fish nest, ecological flow are dispatched, water temperature variation influences
Mitigation methods;The scientific research class measure refers to the research of Habitat for Fish Influencing Mechanism, stock of fish monitoring and investigation, safeguard measure
Recruitment evaluation measure.
4. a kind of Habitat for Fish division methods based on geographic and geomorphic conditions according to claim 1, it is characterised in that:
The quantization characteristic index of watershed or section Habitat for Fish protection achievement is in the step (6):Natural section retains
Rate, fish protection area accounting, replacement and reconstruction habitat accounting, river system connectedness, habitat type diversity and protection
Measure coverage rate;Wherein, the natural section length that natural section retention rate refers to retain in bounds accounts for the bounds Heavenly Stems and Earthly Branches
Flow the ratio of section total length;Fish protection area accounting refer to the rare Endemic fish nature reserve area delimited in bounds,
Fish Germplasm Resources protection zone section length accounts for the ratio of bounds Heavenly Stems and Earthly Branches stream section total length;It substitutes and is accounted for reconstruction habitat
Than referring to that fish substitute habitat in bounds and reconstruction habitat section length accounts for the ratio of bounds Heavenly Stems and Earthly Branches stream section total length
Example;River system connectedness refers to the Heavenly Stems and Earthly Branches stream in river in bounds, the continuity of upstream and downstream current and water-based connected state
Condition;Habitat type diversity refers to that pool in bounds, shoal, the type of all kinds of Habitat for Fish of middle bar enrich degree
Situation;Safeguard measure coverage rate refers to that Habitat for Fish safeguard measure implementation all types of in bounds is related to section and accounts for border
The ratio of scope Heavenly Stems and Earthly Branches stream section total length.
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CN106599538B (en) * | 2016-11-18 | 2023-04-07 | 北京师范大学 | Urban river three-dimensional physical habitat integrity evaluation technology |
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