Study On Dahuangpu Wetland Evaluation And Landscape Restoration Technology

Wetlands are between aquatic ecosystems and terrestrial ecosystems in a special eco-system is the most natural landscape and biological diversity, the ecological environment for the survival of mankind, one of the most important. With environmental evolution, particularly land use and land cover such as the impact of human activity, making the wet area of narrowing, loss of biodiversity, also will feature degradation. Thereby, ecological functions of wetlands and dynamic monitoring for wetlands protection, restoration and sustainable use of great significance. Dahuangpu northern wetlands are well-preserved original landscape typical of wetlands, rich in flora composition, with distinct characteristics of the temperate flora, dominant species and more, covering degree.Rich in salt plants, fiber plants, and other resources.This paper Dahuangpu wetland, for example, within the wet area plants, phytoplankton, birds, aquatic organisms, investigation and analysis. Based on the analysis in the investigation of the Dahuangpu wetland functions and values assessment, and identified the wetland restoration methods.The results show that Dahuangpu wetland flora composition mainly composed of North China, with 45 families 123 genera of higher plants 181. Among them, the Gramineae, Compositae, Leguminosae, represented by herbaceous plants such as dominant. The wetland flora of the dominant species more typical of the species are reed, Typha, and submerged plants. One reed coverage up to 90%.Survey results show that phytoplankton Total 6 25 40 species, of which 11 species of Cyanophyta, Cryptophyta 2, 1 species of dinoflagellates, Euglenophyta 7, Bacillariophyta, 10 species of Chlorophyta 9. Cyanophyta were dominant species of small color sp; Chlorophyta sickle fiber and 4 algae Scenedesmus; diatom algae door and pointed a short boat trip boat trip algae; Cryptophyta oval hidden algae.17 birds in protected areas, a total of 44 families and 199 species present, accounting for total number of species of birds of 14.95%. Protection of bird species of which many countries, a total of 38 species. Accounted for 55.67% of Tianjin to protect birds. 4 Protection of Birds at the national level, two birds, 34 species of national protection.Aquatic biological survey, the average zooplankton biomass was 9.008mg / L, mainly copepods, cladocerans, nauplii, rotifer class. The average annual total benthic density of 3,060 / m~2, which oligochaetes 1720 / m~2, Chironomidae larvae 1207 / m~2, other benthic animals, 126 / m~2.According to the survey results, the paper Dahuangpu the total value of wetlands, the statistics, which direct use value 402,918,800 yuan, indirect use value of 551.471 million yuan, 10.26 billion yuan worth of non-use category, the total value of wetlands Dahuangpu about 11,214,389,800 yuan.According to hydrology, vegetation, animals and landscape elements of the conditions identified Dahuangpu wetland degradation, regional and degradation causes, through the reed rejuvenation, hydrological restoration measures such as improved Dahuangpu wetlands cost, so typical wetland landscape reproduction, improved wetland viewing to improve the ecological environment.