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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Links between anthropogenic perturbations and benthic macroinvertebrate assemblages in Afromontane forest streams in Uganda
Hydrobiologia, Volume 563, No. 1, Year 2006
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Description
Relationships between environmental variables and benthic macroinvertebrate assemblages were investigated among several sites that varied in disturbance history in Bwindi Impenetrable National Park, an Afromontane site in East Africa. Environmental variables were correlated with the level of past catchment disturbance - logging, agricultural encroachment, and present tourism activity. For example, sites in medium and high disturbance categories had higher values of specific conductance and lower water transparency than low disturbance category sites, these environmental variables may therefore act indicators of ecological quality of rivers. Environmental variables such as conductivity and water transparency were found to be good predictors of benthic macroinvertebrate assemblages, with anthropogenically stressed sites having lower diversity than the reference sites. Impacted sites were dominated by tolerant taxa such as chironomid and leeches, while 'clean water' taxa such as Ephemeroptera, Plecoptera and Trichoptera dominated at minimally impacted sites. Comparison of sites with different disturbance histories provided evidence for differences in benthic macroinvertebrate communities that reflect the state of forest restoration and recovery. We recommend quarterly monitoring of water quality to act as an early warning system of deterioration and tracking ecological recovery of previously impacted sites. © Springer 2006.
Authors & Co-Authors
Kasangaki, Aventino
Uganda, Mbarara
Mbarara University of Science and Technology
Babaasa, Dennis
Uganda, Mbarara
Mbarara University of Science and Technology
Efitre, Jackson
United States, Gainesville
University of Florida
McNeilage, Alastair
Uganda, Mbarara
Mbarara University of Science and Technology
Bitariho, Robert
Uganda, Mbarara
Mbarara University of Science and Technology
Statistics
Citations: 59
Authors: 5
Affiliations: 2
Identifiers
Doi:
10.1007/s10750-005-0009-8
ISSN:
00188158
e-ISSN:
15735117
Research Areas
Environmental
Study Locations
Multi-countries
Uganda