Results 31 to 40 of about 17,409 (208)

Presence of Acapoeta tanganicae (Actinopterygii: Cypriniformes: Cyprinidae ) within the Lake Rukwa catchment supports historic riverine connectivity with Lake Tanganyika [PDF]

open access: yesActa Ichthyologica et Piscatoria, 2015
Freshwater fish biogeography can provide insight into past connectivity of river systems. Here we report the first discovery of the large-bodied cyprinid Acapoeta tanganicae (Boulenger, 1900) inside the Lake Rukwa catchment.
M.J. Genner   +4 more
doaj   +3 more sources

East African cichlid lineages (Teleostei: Cichlidae) might be older than their ancient host lakes: new divergence estimates for the east African cichlid radiation

open access: yesBMC Evolutionary Biology, 2019
Background Cichlids are a prime model system in evolutionary research and several of the most prominent examples of adaptive radiations are found in the East African Lakes Tanganyika, Malawi and Victoria, all part of the East African cichlid radiation ...
Frederic Dieter Benedikt Schedel   +2 more
doaj   +1 more source

The endemic gastropod fauna of Lake Titicaca : correlation between molecular evolution and hydrographic history [PDF]

open access: yes, 2012
Lake Titicaca, situated in the Altiplano high plateau, is the only ancient lake in South America. This 2- to 3-My-old (where My is million years) water body has had a complex history that included at least five major hydrological phases during the ...
Albrecht, Christian   +7 more
core   +1 more source

Spatio-temporal analysis of water storage variation and temporal correlations in the East Africa lake basins

open access: yesJournal of Hydrology: Regional Studies, 2022
Study region: East Africa (EA), lake basins (Tana, Abaya-Chamo, Turkana, Victoria, and Tanganyika), 6472,404 km2 of total area. Study focus: Total water storage change (TWSC) exposes serious challenges in sustainable water resources management and ...
Ayalkibet M. Seka   +5 more
doaj   +1 more source

The Global Lake Ecological Observatory Network (GLEON): the evolution of grassroots network science [PDF]

open access: yes, 2013
Nine years later, with over 380 members from 40 countries, and 50 publications to its credit, GLEON is growing at a rapid pace and pushing the boundaries of the practice of network science.
Arzberger, Peter   +20 more
core   +2 more sources

Nest defense in the face of cuckoldry: evolutionary rather than facultative adaptation to chronic paternity loss

open access: yesBMC Evolutionary Biology, 2019
Background Raising unrelated offspring is typically wasteful of parental resources and so individuals are expected to reduce or maintain low levels of parental effort when their parentage is low.
Holger Zimmermann   +7 more
doaj   +1 more source

Cholera Hot-Spots and Contextual Factors in Burundi, Planning for Elimination

open access: yesTropical Medicine and Infectious Disease, 2021
The Republic of Burundi first reported cholera cases in 1978 and outbreaks have been occurring nearly every year since then. From 2008–2020, 6949 cases and 43 deaths were officially reported.
Amanda K. Debes   +7 more
doaj   +1 more source

Carex modesti (Cyperaceae), a new species from southern Tanzania [PDF]

open access: yes, 2012
A new species of Carex (Cyperaceae), Carex modesti, is described from southern Tanzania. It grows on stream sides and peat bogs at about 2750 m in the Kitulo Plateau. It is morphologically distinct from the similar species C.
Escudero Lirio, Marcial   +2 more
core   +1 more source

A recent inventory of the fishes of the north-western and central western coast of Lake Tanganyika (Democratic Republic Congo) [PDF]

open access: yesActa Ichthyologica et Piscatoria, 2011
Background. Despite the importance of Lake Tanganyika’s biodiversity for science and the livelihoods of the riparian people, high-resolution surveys of the fish biodiversity are sparse and fragmentary, especially along the western (Congolese ...
M. Van Steenberge   +12 more
doaj   +3 more sources

No evidence for sex chromosomes in natural populations of the cichlid fish Astatotilapia burtoni

open access: yesG3: Genes, Genomes, Genetics, 2023
Sex determination (SD) is not conserved among teleost fishes and can even differ between populations of the same species. Across the outstandingly species-rich fish family Cichlidae, more and more SD systems are being discovered. Still, the picture of SD
Nicolás Lichilín   +2 more
doaj   +1 more source

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