000161766 001__ 161766
000161766 005__ 20251017144609.0
000161766 0247_ $$2doi$$a10.1111/jbi.15185
000161766 0248_ $$2sideral$$a144434
000161766 037__ $$aART-2025-144434
000161766 041__ $$aeng
000161766 100__ $$aGizaw, Abel
000161766 245__ $$aGenetic Diversity Is Not Correlated With Species Diversity: A Multispecies Study in a Continental Habitat Island System
000161766 260__ $$c2025
000161766 5060_ $$aAccess copy available to the general public$$fUnrestricted
000161766 5203_ $$aAim
It has been proposed that species diversity (SD) and genetic diversity (GD) co-vary across natural communities because both are shaped by processes such as immigration and drift. However, empirical reports are contradictory, and multispecies studies are rare. Here we test the hypothesis that the two diversity measures do not correlate in systems with high levels of immigration stochasticity and little GD caused by strong genetic drift.
Location
Tropical alpine habitats on six of the highest mountains in eastern Africa.
Taxon
Vascular plants.
Methods
We sampled 375 taxa in 75 plots in five habitat types, recorded ecological variables, and genotyped 1793 plants representing 20 species/species complexes.
Results
We confirmed that intrapopulation GD was exceptionally low in this system and found that most Species-Genetic Diversity Correlations (SGDCs) were weak and insignificant. Whereas SD was correlated with several environmental variables, GD was only correlated with mountain identity (geographical location) and mountain age.
Main Conclusions
Our findings support the hypothesis that SGDCs are lacking in habitat island systems such as the tropical alpine region in Africa, which is characterised by frequent population size fluctuations, extinctions, and colonisations via long-distance dispersal (LDD) during the glacial cycles. The stochastic nature of LDD combined with strong genetic drift and founder effects is likely to cause low GD and lack of SGDCs, implying that SD cannot be used as a proxy for GD in conservation management of such systems.
000161766 540__ $$9info:eu-repo/semantics/embargoedAccess$$aAll rights reserved$$uhttp://www.europeana.eu/rights/rr-f/
000161766 655_4 $$ainfo:eu-repo/semantics/article$$vinfo:eu-repo/semantics/acceptedVersion
000161766 700__ $$aDimitrov, Dimitar
000161766 700__ $$aMasao, Catherine Aloyce
000161766 700__ $$aTusiime, Felly Mugizi
000161766 700__ $$aWondimu, Tigist
000161766 700__ $$aAbdi, Ahmed Abdikadir
000161766 700__ $$aChala, Desalegn
000161766 700__ $$aGussarova, Galina
000161766 700__ $$aMirré, Virginia
000161766 700__ $$aKebede, Mulugeta
000161766 700__ $$aPiñeiro, Rosalía
000161766 700__ $$aNamaganda, Mary
000161766 700__ $$0(orcid)0000-0001-7793-5259$$aCatalán, Pilar$$uUniversidad de Zaragoza
000161766 700__ $$aPimentel, Manuel
000161766 700__ $$aTaberlet, Pierre
000161766 700__ $$aLinder, Hans Peter
000161766 700__ $$aPopp, Magnus
000161766 700__ $$aEilu, Gerald
000161766 700__ $$aMunishi, Pantaleo
000161766 700__ $$aMwachala, Geoffrey
000161766 700__ $$aNemomissa, Sileshi
000161766 700__ $$aBrochmann, Christian
000161766 7102_ $$15011$$2063$$aUniversidad de Zaragoza$$bDpto. CC.Agrar.y Medio Natural$$cÁrea Botánica
000161766 773__ $$g(2025), [14 pp.]$$pJ. biogeogr.$$tJOURNAL OF BIOGEOGRAPHY$$x0305-0270
000161766 787__ $$tGenetic diversity is not correlated with species diversity: a multispecies study in a continental habitat island system$$whttps://datadryad.org/share/znF534dr8yKY5ZNWn-dlQA42ZfAcUJmm9w-8C8wqZfE
000161766 8564_ $$s423504$$uhttps://zaguan.unizar.es/record/161766/files/texto_completo.pdf$$yPostprint$$zinfo:eu-repo/date/embargoEnd/2026-06-14
000161766 8564_ $$s1995184$$uhttps://zaguan.unizar.es/record/161766/files/texto_completo.jpg?subformat=icon$$xicon$$yPostprint$$zinfo:eu-repo/date/embargoEnd/2026-06-14
000161766 909CO $$ooai:zaguan.unizar.es:161766$$particulos$$pdriver
000161766 951__ $$a2025-10-17-14:16:32
000161766 980__ $$aARTICLE