Delineation of habitat structure in rivers using a high precision gps for conservation of species diversity of invertebrate communities

被引：0
作者：
Technical Division, Tohoku University, Aoba-yama, 6-6-06, Sendai, Miyagi 980-8579, Japan [1 ]
不详 [2 ]
不详 [3 ]
不详 [4 ]
机构：
[1] Technical Division, Tohoku University, Sendai, Miyagi 980-8579, Aoba-yama
[2] Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB), 12587 Berlin
[3] Disaster Prevention Research Institute, Kyoto University, Gokasho, Uji
[4] Department of Civil Engineering, Graduate School of Engineering, Tohoku University, Aramaki, Aoba-ku, Sendai, Miyagi 980-8579, 6-6-06, Aoba
来源：
Ecol. Civil Eng. | 2012年 / 1卷 / 121-130期
关键词：
Benthic invertebrates; Biodiversity; Global positioning system (gps); Habitat heterogeneity; Lentic habitat;
D O I：
10.3825/ece.15.121
中图分类号：
学科分类号：
摘要：
Spatial structures of 7 types of aquatic habitat at the reach scale were delineated using a high precision Global Position System (GPS) in 3 dam-impacted and 6 reference riverrine reaches in Miyagi Prefecture, Japan. Taxonomic and functional compositions of quantitative benthic invertebrate samples were also investigated. Out of the three dams, two indicated decreased levels of habitat diversity indexes (S, H', a, and E) at the outlet reaches due to reduced sediment supply and reduced hydraulic variation through dam-operation; but one dam connected to meandering outlet reach did not. Percentage of total area of lentic habitats (i. e., backwater and isolated pool) at the dam-impacted reaches (mean= 1.5%) was significantly lower than reference reaches (mean=5.5%). The taxon richness, abundance of swimmers, predators, attachers and crawlers increased with the percentage of lentic habitat area (P<0.05, n=9), which suggests that lentic habitats contribute to maintain species diversity and the functional groups at the reach scale. Our data indicated a high application potential of the GPS-based evaluation of habitat structure for biodiversity conservation in rivers.
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页码：121 / 130
页数：9
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共 19 条
  • [1] Armitage P.D., Invertebrate drift in the regulated River Tees and an unregulated tributary, Maize Beck, below Cow Green dam, Freshwater Biology, 7, pp. 167-184, (1977)
  • [2] Armitage P.D., Downstream changes in the composition, numbers and biomass of bottom fauna in the Tees below Cow Green reservoir and in an unregulated tributary Maize Beck, in the first five years after impoundment, Hydrobiologia, 58, pp. 145-156, (1978)
  • [3] Arscott D.B., Keller B., Tockner K., Ward J.D., Habitat Structure and trichoptera diversity in two headwater flood plains, N, E. Italy. International Review of Hydrobiology, 88, pp. 255-273, (2003)
  • [4] Arscott D.B., Tockner K., Van Der Nat D., Ward J.V., Aquatic habitat dynamics along a braided alpine river ecosystem (Tagliamento River, Northeast Italy), Ecosystems, 5, pp. 802-814, (2002)
  • [5] Denine S., Matt B., Selita A., Duncan T.P., Using historic aerial photography and paleohydrologic techniques to assess long-term ecological response to two Montana dam removals, Journal of Environmental Management, 90, (2009)
  • [6] Duncan G., Mike R.S., Jon S.H., Spatial biodiversity patterns in a large New Zealand braided river, New Zealand Journal of Marine and Freshwater Research, 40, pp. 631-642, (2006)
  • [7] Field J.G., Clarke K.R., Warwick R.M., A practical strategy for analyzing multispecies distribution patterns, Marine. Ecology, Progress. Series, 8, pp. 37-52, (1982)
  • [8] Jensen J.L., Bohonak A.J., Kelley S.T., Isolation by distance, web service, BMC Genetics, 6, (2005)
  • [9] Kondolf G.M., Hungry water: Effects of dams and gravel mining on river channels, Environmental Management, 21, pp. 533-551, (1997)
  • [10] Magurran A.E., Ecological diversity and its measurement, Croom Helm, London, (1988)
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