筛选
科学数据
统计数据
共检索到1960条 ,权限内显示50条;

Data from: Genetics, morphology, advertisement calls, and historical records distinguish six new polyploid species of African clawed frog (Xenopus
- 负责人:
- DOI:
- doi:10.5061/dryad.2qb35
- 摘要:
- African clawed frogs, genus Xenopus, are extraordinary among vertebrates in the diversity of their polyploid species and the high numb

Data from: The origin of the endemic African grasshopper family Lentulidae (Orthoptera: Acridoidea) and its climate-induced diversification
- 负责人:
- DOI:
- doi:10.5061/dryad.c59zw3r4h
- 摘要:
- t originates from South Africa. We show that major splits in the phylogeny of the Lentulidae coincide with three known fragmentation events of the African

Rapid Characterisation of Farming Systems in Africa RISING-MALI
- 负责人:
- Groot, Jeroen;;Descheemaeker, Katrien;;Wageningen University & Research (WUR);;International Crops Research Institute For The Semi-Arid Tropic
- 关键词:
- DOI:
- doi:10.7910/dvn/22tfm8
- 摘要:
- key African farming systems. In East and Southern Africa the project is being implemented in Tanzania and Malawi, and Zambia. - In Tanzania the project

and climate change in Africa’s Zambezi region
- 负责人:
- DOI:
- doi:10.5061/dryad.83kd9
- 摘要:
- of the world. For mammals of continental Africa, phylogeographic studies, particularly for West African lineages, implicate both geographic barriers

Data from: Diagnosis of crop secondary and micro-nutrient deficiencies in sub-Saharan Africa
- 负责人:
- Charles S Wortmann
- 关键词:
- relative yield response secondary and micronutrient foliar and soil test tropical crop tropical crops tropical soils
- DOI:
- doi:10.5061/dryad.5t065bb
- 摘要:
- Crop production in sub-Saharan Africa has numerous biotic and abiotic constraints, including nutrient deficiencies. Information on crop response

Data from: X-rays and virtual taphonomy resolve the first Cissus (Vitaceae) macrofossils from Africa as early diverging members of the genus
- 负责人:
- DOI:
- doi:10.5061/dryad.g9r36
- 摘要:
- in Africa by at least the early Miocene, with an African origin suggested for the Cissus sciaphila clade. The fossils provide supporting evidence for mosaic

Data from: Out of Africa: demographic and colonization history of the Algerian mouse (Mus spretus Lataste)
- 负责人:
- 关键词:
- DOI:
- doi:10.5061/dryad.3sv4634
- 摘要:
- North Africa is now recognized as a major area for the emergence and dispersal of anatomically modern humans from at least 160 kya

Data from: Phylogeographic and cross-species transmission dynamics of SAT1 and SAT2 Foot-and-Mouth Disease Virus in Eastern Africa
- 负责人:
- DOI:
- doi:10.5061/dryad.4r15q60
- 摘要:
- control programs in Africa. This study investigates the evolutionary epidemiology of SAT1 and SAT2 FMDV in Eastern Africa, as well as between cattle and wild

Data from: Phylogeography of African locust bean (Parkia biglobosa) reveals genetic divergence and spatially structured populations in West
- 负责人:
- DOI:
- doi:10.5061/dryad.15pg4g4
- 摘要:
- The evolutionary history of African savannah tree species is crucial for the management of their genetic resources. In this study, we investigated

Data from: A molecular analysis of African lion (Panthera leo) mating structure and extra-group paternity in Etosha National Park
- 负责人:
- Lyke, Martha M.
- 关键词:
- Animal Mating/Breeding Systems Behavior/Social Evolution Conservation Genetics Extra-Group Paternity African Lion Mammals
- DOI:
- doi:10.5061/dryad.47hc8
- 摘要:
- those predicted by group social organization. Based on field studies and paternity analyses at a limited number of sites, African lions are predic