Contribution to the knowledge of the macroinvertebrate fauna of the streams of Kahuzi-Biega National Park, Democratic Republic of Congo

M. F. Ngera, S. U. Pauls, Ralph W Holzenthal, M. Bagalwa, M. A. Bisimwa, E. M. Mushayuma, D. R. Cammaerts

Research output: Contribution to journalArticle

Abstract

The Albertine Rift is one of Africa’s major biodiversity hotspots. However, the aquatic fauna of its western border in Democratic Republic of Congo (DRC) remains understudied and poorly characterised. Kahuzi-Biega National Park (KBNP) in DRC is a crucial link for biodiversity conservation of this hotspot; however, scientific studies of this rich biodiversity are scarce because of insecurity and harsh field conditions. In the current study, benthic macroinvertebrates communities and some environmental conditions were investigated in 10 rivers in the KBNP. Eighty-four morphospecies, belonging to 47 families and 12 orders, were sampled from 13 sites. The abundance and diversity of taxa within systematic groups varied across the study area. Spatial distribution of systematic groups was also analysed. The high morphospecies richness, characterised by the number of families and Shannon’s and Simpson’s Diversity Indices, recorded at some sites was probably owing to the diversity of substratum and undisturbed environmental conditions observed in these forested rivers. Conversely, some sites presented lower species richness, possibly because of unfavourable natural conditions.

Original languageEnglish (US)
Pages (from-to)127-142
Number of pages16
JournalAfrican Journal of Aquatic Science
Volume44
Issue number2
DOIs
StatePublished - Jan 1 2019

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Democratic Republic of the Congo
macroinvertebrates
macroinvertebrate
national parks
national park
fauna
biodiversity
environmental conditions
environmental factors
rivers
diversity index
river
species richness
spatial distribution
species diversity
morphospecies
family

Keywords

  • aquatic insects
  • aquatic invertebrates
  • biotic indices
  • conservation ecology
  • species diversity indices
  • water quality

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Contribution to the knowledge of the macroinvertebrate fauna of the streams of Kahuzi-Biega National Park, Democratic Republic of Congo. / Ngera, M. F.; Pauls, S. U.; Holzenthal, Ralph W; Bagalwa, M.; Bisimwa, M. A.; Mushayuma, E. M.; Cammaerts, D. R.

In: African Journal of Aquatic Science, Vol. 44, No. 2, 01.01.2019, p. 127-142.

Research output: Contribution to journalArticle

Ngera, M. F. ; Pauls, S. U. ; Holzenthal, Ralph W ; Bagalwa, M. ; Bisimwa, M. A. ; Mushayuma, E. M. ; Cammaerts, D. R. / Contribution to the knowledge of the macroinvertebrate fauna of the streams of Kahuzi-Biega National Park, Democratic Republic of Congo. In: African Journal of Aquatic Science. 2019 ; Vol. 44, No. 2. pp. 127-142.
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