Results 51 to 60 of about 835,783 (163)

Assessing the Conservation Status, Drivers of Threat and Available Occurrence Records of Sub‐Saharan African Freshwater Molluscs: Gaps and Patterns

open access: yesAfrican Journal of Ecology, Volume 64, Issue 6, August 2026.
ABSTRACT Freshwater molluscs are key bioindicators of ecosystem health, yet their conservation status and data coverage in sub‐Saharan Africa remain poorly understood. Mollusca is the third most evaluated phylum on the IUCN Red List in Africa, with 1394 species assessed (656 freshwater), of which 39.6% are Least Concern and 12% Critically Endangered ...
Marcel Kruger   +2 more
wiley   +1 more source

Lake Tanganyika fisheries frame survey analysis: Assessment of the options for management of the fisheries of Lake Tanganyika

open access: yes, 2014
From 1999 to 2011 some regions in the Lake Tanganyika Basin experienced humanitarian crises that displaced hundreds of thousands of people to neighboring countries.
G. J. De Graaf   +2 more
core   +1 more source

A wavelet–LSTM framework for mapping large inland water bodies using CYGNSS observations

open access: yesJournal of Hydrology: Regional Studies
Study region: This study investigates six representative large lakes distributed across different climatic and hydrological environments: Lake Victoria, Lake Titicaca, Lake Malawi, Lake Tanganyika, Lake Nicaragua, and Lake Maracaibo.
Yuxuan Yang, Yufeng Hu, Zhenhong Li
doaj   +1 more source

Diazotrophic Cyanobacteria are Associated With a Low Nitrate Resupply to Surface Waters in Lake Tanganyika

open access: yesFrontiers in Environmental Science, 2021
In Lake Tanganyika, blooms of nitrogen-fixing (diazotrophic) cyanobacteria emerge, when the upper water column re-stratifies after a period of upwelling and convective mixing.
Benedikt Ehrenfels   +19 more
doaj   +1 more source

Self‐help and Volunteerism in Tanzania in the 1960s: Voluntary Labour, Nation Building and Constructing Modernity

open access: yesDevelopment and Change, Volume 57, Issue 4, Page 706-727, July 2026.
ABSTRACT The United Nations has declared 2026 the International Year of Volunteers for Sustainable Development. Against that backdrop, this article examines the experience of volunteerism, and specifically self‐help voluntary labour in Tanzania in the early colonial period, to explore the place of volunteerism in the construction of the post‐colonial ...
Michael Jennings
wiley   +1 more source

Rural Capitalists and Development in Colonial Africa: A Comparative Analysis

open access: yesJournal of Agrarian Change, Volume 26, Issue 3, July 2026.
ABSTRACT This paper explores the emergence and role of rural capitalists in colonial Sub‐Saharan Africa by comparing three peasant‐based economies: Bechuanaland, the Gold Coast and Tanganyika. Using social tables, we estimate the population and income shares of better earning agricultural producers and assess their impact on rural inequality and ...
Prince Young Aboagye   +2 more
wiley   +1 more source

Lake level fluctuations and divergence of cichlid fish ecomorphs in Lake Tanganyika [PDF]

open access: yes, 2017
Lake Tanganyika has undergone substantial climate-driven lake level fluctuations that have repeatedly changed the distribution and extent of habitat for endemic fishes.
Ruber, Lukas   +3 more
core   +2 more sources

Novel complete mitochondrial genomes of eight riverine Lamprologus species (Actinopterygii, Cichlidae) suggest in-situ speciation of the blind cichlid L. lethops in the lower Congo River

open access: yesMitochondrial DNA. Part B. Resources
Lamprologine cichlids include nearly 100 species from Lake Tanganyika, but only nine are known from the Congo River, including Lamprologus lethops, the only known blind cichlid. Little is known about its natural history.
Sebastian M. Jimenez   +5 more
doaj   +1 more source

Expression variations in ectodysplasin-A gene (eda) may contribute to morphological divergence of scales in haplochromine cichlids

open access: yesBMC Ecology and Evolution, 2022
Background Elasmoid scales are one of the most common dermal appendages and can be found in almost all species of bony fish differing greatly in their shape.
Maximilian Wagner   +5 more
doaj   +1 more source

Multispecies Niche Overlap: Moving Beyond Pairwise Metrics to Understand Community‐Wide Similarities in Resource Use

open access: yesEcology and Evolution, Volume 16, Issue 6, June 2026.
Measures of niche overlap are important tools in various ecological and evolutionary studies. Here we create and apply a multispecies overlap metric to both simulated and empirical communities, illustrating how this methodology may capture interactions and structure of niche space in ways that traditional, pairwise metrics overlook.
Cody M. Kent   +2 more
wiley   +1 more source

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