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- Title
Effects of habitat conditions in created wetlands on sustaining wintering waterfowl in riverine plains, Nakdong River, South Korea.
- Authors
Jong-Yun Choi; Ji-Deok Jang; Kwang-Seuk Jeong; Gea-Jae Joo
- Abstract
The landscape setting of a habitat strongly influences the distribution, abundance, and species composition of waterfowl. Thus, habitat assessment is very important to understand the habitat characteristics that sustain waterfowl assemblages. In this study, we hypothesized that the excessive use of artificial materials when new wetlands are constructed negatively influences wintering waterfowl. To test this hypothesis, we measured environmental factors, assessed habitat, and investigated waterfowl at 13 artificial wetlands in the Nakdong River Basin. There were greater numbers of waterfowl species and individuals in artificial wetlands with high habitat assessment scores. In contrast, environmental factors did not affect waterfowl distribution. In particular, features of natural habitats, such as macrophytes and sandbars, and the surrounding land-use patterns were important factors for sustaining waterfowl assemblages in each created wetland. Our results show that promoting naturalness in wetlands and surrounding areas would increase the species diversity and abundance of waterfowl. Further, complex habitats, such as wetlands and some terrestrial habitats, support both aquatic and terrestrial species because mixed habitats feature a larger array of food sources than more limited habitats do.
- Subjects
KOREA; WETLAND landscape design; LAND capability for wildlife; WATERFOWL management; ARCHAEOLOGICAL assemblages; CONSTRUCTED wetlands
- Publication
Journal of Ecology & Environment, 2015, Vol 38, Issue 3, p343
- ISSN
2287-8327
- Publication type
Article
- DOI
10.5141/ecoenv.2015.035