A water bird habitat type proportion determination method in fishpond ecological restoration

A technology for ecological restoration and determination of methods, applied in the direction of instruments, data processing applications, resources, etc., can solve problems such as fewer birds, achieve the effect of radiation demonstration, avoid waste of resources and poor restoration effect

Active Publication Date: 2019-05-28
TIANJIN RES INST FOR WATER TRANSPORT ENG M O T
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Problems solved by technology

However, the types of suitable foraging, inhabiting, and breeding habitats for different species of birds are very different. Determining the proportion of each habitat based on experience may cause the species most in need of protection to migrate due to the lack of basic conditions for their survival, resulting in the current Many constructed wetlands have empty wetlands but few birds

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  • A water bird habitat type proportion determination method in fishpond ecological restoration
  • A water bird habitat type proportion determination method in fishpond ecological restoration
  • A water bird habitat type proportion determination method in fishpond ecological restoration

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Embodiment 1

[0056] The method for determining the proportion of waterfowl habitat types in the ecological restoration of fish ponds of the present invention will be further described below in conjunction with the accompanying drawings, taking the retired fish ponds in Qilihai Wetland, Ninghe District, Tianjin as an example. Such as figure 1 Shown is the method for determining the proportion of waterfowl habitat types in the ecological restoration of fish ponds in this area. The specific steps are as follows:

[0057] Step 1. Calculating the conservation importance index of each waterbird species in the fishpond ecological restoration area

[0058] Through the study of related scientific research reports on the Qilihai Wetland in Ninghe District, Tianjin, we can understand the status quo of waterbird resources in the ecological restoration area of ​​fish ponds. The protection importance index is calculated by combining the literature data and expert scoring method, combined with the prote...

Embodiment 2

[0106] Because the ecological restoration of fish ponds targeted by the present invention generally does not produce grassland and woodland habitats, but these two habitats are an indispensable part for the survival and reproduction of some birds, so in specific implementation, according to the calculation results, in fish ponds Make matching settings outside. The specific calculation is based on the following formula:

[0107]

[0108] Among them, M 总 = M 岛 +M 沼 +M 水 ;

[0109] Combined with Table 3, the calculated proportions of woodland and grassland in the ecological restoration of fish ponds are as follows:

[0110]

[0111]

[0112] Therefore, 0.65 square kilometers of forest land and 1.16 square kilometers of grassland can be set up in the surrounding area.

[0113] Table 3 Score analysis of suitable habitat types for target species

[0114]

[0115] By applying the method for determining the proportion of waterfowl habitat types in the ecological resto...

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Abstract

The invention relates to a waterfowl habitat type proportion determination method in fishpond ecological restoration. The method comprises the following steps that A, calculating protection importanceindexes of waterfowl species; B, through observation data of the wild waterfowl in the region in different years, calculating the annual average number reduction ratio of each waterfowl species; C, calculating a comprehensive score of each waterfowl species in the region, and selecting a target species for repairing the fishpond ecosystem; D, according to factors such as the comprehensive score of the target species and the ecological habit, calculating the proportion condition of each habitat type of the waterfowl in the fishery returning project.The invention aims to solve the problem thatthe existing fish returning and humidifying and fish pond ecological restoration engineering generally lacks technical guidance. The method for determining the proportion of each type of habitat is scientific and reasonable in habitat type proportion and more suitable for reproduction of waterfowl species in an area after restoration, the ecological restoration effect can be improved, waterfowl resources in the area can be protected, the population number of target species can be increased, and harmonious development of human beings and nature can be achieved.

Description

technical field [0001] The invention belongs to the technical field of ecological restoration, and in particular relates to a method for determining the proportion of waterfowl habitat types in fishpond ecological restoration. Background technique [0002] Natural wetlands have ecological service functions such as purifying water sources, regulating climate, and maintaining biodiversity. They are also breeding grounds, wintering grounds, and migration transfer stations for waterbirds. However, with economic development and population growth, a large number of wetlands, especially the edges of wetlands, have been artificially transformed into fish ponds. Farming fishponds are contracted by farmers. In order not to affect the output of fishponds, farmers have adopted a series of methods to prevent, drive away and even catch birds, which pose a serious threat to waterfowl. deterioration, leading to the degradation of wetlands. In order to reduce the interference of human acti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/26
Inventor 彭士涛郑天立孙嘉徽
Owner TIANJIN RES INST FOR WATER TRANSPORT ENG M O T
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