EurekaMag.com logo
+ Site Statistics
References:
53,214,146
Abstracts:
29,074,682
+ Search Articles
+ Subscribe to Site Feeds
EurekaMag Most Shared ContentMost Shared
EurekaMag PDF Full Text ContentPDF Full Text
+ PDF Full Text
Request PDF Full TextRequest PDF Full Text
+ Follow Us
Follow on FacebookFollow on Facebook
Follow on TwitterFollow on Twitter
Follow on Google+Follow on Google+
Follow on LinkedInFollow on LinkedIn

+ Translate

Fish community structure in dry season stream pools



Fish community structure in dry season stream pools



Ecology (Washington D C) 72(3): 983-992



Fish assemblage patterns were examined in 40 dry-season pools in a hydrologically variable river drainage in northeast Texas, [USA], to test the hypothesis that fish assemblage structure is correlated with environmental gradients of habitat characteristics. The study focused on two questions: 1. Do discrete, identifiable fish assemblage patterns exist? 2. If so, how are they related to environmental conditions? The null hypothesis that fishes were randomly distributed among pools was rejected, indicating that assemblage patterns existed. Cluster analyses of the relative abundance of fish species detected three fish assemblages dominated by: mosquitofish; black bullhead; and sunfish-shiner-mosquitofish. Factor analysis reduced environmental variables to six factors representing pool depth, pool persistence, channel size, canopy cover, pool substrate, and pH, by which assemblages could be discriminated. These results demonstrated a relation between fish assemblage structure and environmental conditions in the pools. The discriminating variables varied along a gradient, and fish assemblages varied similarly. The study supported model predictions for gradient trends in species richness, species composition, fish size, and fish density, but not for species density.

(PDF 0-2 workdays service: $29.90)

Accession: 007351942

Download citation: RISBibTeXText



Related references

Variation in fish assemblages across dry-season pools in a Mediterranean stream effects of pool morphology, physicochemical factors and spatial context. Ecology Of Freshwater Fish: 1, 74-86, 2010

Differences in the community structure of stream pools containing or lacking trout. Internationale Vereinigung fuer Theoretische und Angewandte Limnologie Verhandlungen, 223: 1858-1861, 1984

Stream geomorphology and fish community structure in channelized and meandering reaches of an agricultural stream. Geomorphic processes and riverine habitat: 105-117, 2001

Latitudinal differences in fish community trophic structure, and the role of fish herbivory in a Costa Rican stream. Environmental Biology Of Fishes. 35(3): 311-319, 1992

Comparison of a sentinel species evaluation framework to a fish community approach for assessment of small stream fish within an urban stream. Canadian Technical Report of Fisheries & Aquatic Sciences 0(2144): 43-44, 1997

Effects of disturbance frequency on stream benthic community structure in relation to canopy cover and season. Journal of the North American Benthological Society 5(3): 237-248, 1986

The fish fauna and community structure in the Jojong Stream. Korean Journal of Limnology. December; 304: 367-375 Serial Number 80, 1997

The fish fauna and community structure in the Kapyong Stream. Korean Journal of Limnology. December; 304: 357-366 Serial Number 80, 1997

Fish community structure and zonation related to stream habitat. Proceedings of the Annual Conference Southeastern Association of Fish and Wildlife Agencies. November 6-9; 42: 234-242, 1988

Relationship between genotoxicity, mutagenicity, and fish community structure in a contaminated stream. Journal of Aquatic Ecosystem Stress & Recovery 7(2): 131-143, June, 2000

The hypothesis of historical origin and the structure of a freshwater stream fish community. American Zoologist 27(4): 62A, 1987

Persistence and stability of fish community structure in a southwest New York stream. American Midland Naturalist 132(1): 52-67, 1994

Fish community structure and function along two habitat gradients in a headwater stream. Ecological Monographs, 524: 395-414, 1982

Channel stabilization and fish community structure of a southeastern upland stream. Proceedings of the Annual Conference on Ecosystems Restoration and Creation, 24: 145-160, 1998

Structure of a tropical stream fish community: A role for biotic interactions. Ecology (Washington D C) 74(6): 1856-1870, 1993