Coastal estuary wetland biodiversity protection construction method

Abstract

The invention provides a coastal estuary wetland biodiversity protection construction method, relates to the field of wetland construction, and aims to construct an ecological water supplementing facility, establish a water quality purification area, an ecological circulating water system and a water diversion building and achieve partition dam widening. For a bird habitat improvement project, a bird habitat island, a bird foraging area, a fish habitat and a scirpus triqueter planting area are constructed according to terrain and topography, and the bird foraging area is communicated with thefish habitat; vegetation protection engineering is implemented, suitable plants are selected to establish a centralized plant ecological island with advantage distribution, and the original suitable environment is maintained; and for scientific research monitoring, a monitoring facility is built, monitoring is carried out to obtain biological and environmental indexes, and an observation facilityis built. Water surfaces with different widths and different depths are combined, the proportion of the water surfaces to the land is optimized, a diversified ecological system is built, excellent growth conditions are provided for different types of fishes and other aquatic animals and plants, the nutrition-level structure is enriched, and a food chain is optimized.

Description

technical field [0001] The disclosure relates to the field of wetland construction, in particular to a method for protecting and constructing coastal estuary wetland biodiversity. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art. [0003] The Yellow River Delta area is flat, with criss-crossing ditches and criss-crossing valleys, dotted with depressions, forming a unique wetland in the Yellow River Delta. Since the unified regulation of the water volume of the Yellow River was implemented, the main stream of the Yellow River has never been cut off, and the ecological system and wetland conditions of the Yellow River Delta have been significantly improved. Due to the influence of various factors, it still faces problems such as homogenization of wetland vegetation and single habitat. [0004] The water volume of the Yellow River continues to decli...

AI Technical Summary

Problems solved by technology

Wetland water resources are scarce and vegetation coverage is reduced. In 2003, a combination of enclosure and artificial water diversion and rewatering was used for ecological restoration. While the vegetation coverage was greatly increased, the project area was silted up and the elevation increased. As a result, the vegetation types are simple and the habitat types are single. The coverage rate of reeds as the absolute dominant vegetation reaches more than 98%, and the proportion of water surface and bare land is less than 2%. The wetland vegetation composition and structure are single, which is difficult to meet the habitat, foraging and reproduction of endangered waterfowl The diverse habitat needs, especially the lack of open water surface, the high density of reed vegetation is not conducive to the habitat and foraging of large waterfowl such as oriental white stork and white crane, and the ecological carrying capacity of the habitat is seriously weakened, making it difficult to support the increasing population of endangered waterfowl habitat and reproduction;

[0006] In addition, there is a lack of publicity facilities, and the scope and method of displaying wetland protection results to the public need to be improved

The nature reserve has attracted tens of thousands of rare and endangered waterbirds to breed, overwinter and transit in the area, becoming a paradise for birds, but the places and equipment for the public to observe wild birds at close range are insufficient

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