Bird species richness in the montane evergreen forests of the Udzungwa Mountains, Tanzania
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Bird species richness in the montane evergreen forests of the Udzungwa Mountains, Tanzania. / Jensen, Flemming P.; Dinesen, Lars; Hansen, Louis A.; Moyer, David C.; Mulungu, Elia A.
In: Scopus: Journal of East African Ornithology, Vol. 40, No. 2, 2020, p. 39-49.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Bird species richness in the montane evergreen forests of the Udzungwa Mountains, Tanzania
AU - Jensen, Flemming P.
AU - Dinesen, Lars
AU - Hansen, Louis A.
AU - Moyer, David C.
AU - Mulungu, Elia A.
N1 - Funding Information: Trevor Jones provided important observations and comments on a draft of the paper for which we are very grateful. We also thank Shera Moyer and an anonymous reviewer for very helpful comments on this paper. The B?je Benzon Foundation supported some of the fieldwork of LD and FPJ. Lastly, we thank Tanzania Commission for Science and Technology (COSTECH), Tanzania Wildlife Research Institute (TAWIRI), Tanzania National Park Authority (TANAPA), and the Forestry Division of the Ministry of Natural Resources and Tourism for permission to carry out the bird surveys in the Udzungwas. Publisher Copyright: © 2020, Bird Committee of the East Africa Natural History Society. All rights reserved.
PY - 2020
Y1 - 2020
N2 - Species richness and relative abundance of montane forest birds in the Udzungwa Mountains are presented for the 11 forests larger than 1 km2. A high positive correlation between the number of montane bird species and the size of the forest is found with the highest species richness recorded in the largest forest. A few small (< 5 km2) forest fragments also support a high richness of forest birds. Their isolation from larger forest tracts is probably relatively recent (within the last 100-200 years) and their high bird species numbers may be partly due to delayed extirpations. Twenty-three restricted range montane forest species were recorded, and many of these were widespread in the Udzungwas. The largest populations of White-winged Apalis Apalis chariessa, Dapple-throat Arcanator orostruthus, Iringa Akalat Sheppardia lowei and Usambara Weaver Ploceus nicolli are most likely in Udzungwa forests.
AB - Species richness and relative abundance of montane forest birds in the Udzungwa Mountains are presented for the 11 forests larger than 1 km2. A high positive correlation between the number of montane bird species and the size of the forest is found with the highest species richness recorded in the largest forest. A few small (< 5 km2) forest fragments also support a high richness of forest birds. Their isolation from larger forest tracts is probably relatively recent (within the last 100-200 years) and their high bird species numbers may be partly due to delayed extirpations. Twenty-three restricted range montane forest species were recorded, and many of these were widespread in the Udzungwas. The largest populations of White-winged Apalis Apalis chariessa, Dapple-throat Arcanator orostruthus, Iringa Akalat Sheppardia lowei and Usambara Weaver Ploceus nicolli are most likely in Udzungwa forests.
KW - Abundance
KW - Distribution
KW - Extinction debt
KW - Montane forest birds
KW - Tanzania
KW - Udzungwa mountains
UR - http://www.scopus.com/inward/record.url?scp=85099649642&partnerID=8YFLogxK
M3 - Journal article
AN - SCOPUS:85099649642
VL - 40
SP - 39
EP - 49
JO - Scopus: Journal of East African Ornithology
JF - Scopus: Journal of East African Ornithology
SN - 0250-4162
IS - 2
ER -
ID: 272652360