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Marginality indices for biodiversity conservation in forest treesPicard, Nicolas ...Marginal and peripheral populations are important for biodiversity conservation. Their original situation in a species’ geographic and ecological space often confers them genetic diversity and traits ... of high adaptive value. Yet theoretical hypotheses related to marginality are difficult to test because of confounding factors that influence marginality, namely environment, geography, and history. There is an urgent need to develop metrics to disentangle these confounding factors. We designed nine quantitative indices of marginality and peripherality that define where margins lie within species distributions, from a geographical, an environmental and a historical perspective. Using the distribution maps of eight European forest tree species, we assessed whether these indices were idiosyncratic or whether they conveyed redundant information. Using a database on marginal and peripheral populations based on expert knowledge, we assessed the capacity of the indices to predict the marginality status of a population. There was no consistent pattern of correlation between indices across species, confirming that the indices conveyed different information related to the specific geometry of the species distributions. Contrasting with this heterogeneity of correlation patterns across species, the relative importance of the indices to predict the marginality status of populations was consistent across species. However, there was still a significant country effect in the marginality status, showing a variation in expert opinion of marginality vis-á-vis the species distribution. The marginality indices that we developed are entirely based on distribution maps and can be used for any species. They pave the way for testing hypotheses related to marginality and peripherality, with important implications in quantitative ecology, genetics, and biodiversity conservation.Source: Ecological indicators : integrating monitoring, assessment and management. - ISSN 1470-160X (Vol. 143, art. 109367, 2022, 11 str.)Type of material - article, component partPublish date - 2022Language - englishCOBISS.SI-ID - 119745795
Author
Picard, Nicolas |
Marchi, Maurizio |
Serra-Varela, Maria Jesus |
Westergren, Marjana |
Cavers, Stephen |
Notivol, Eduardo |
Piotti, Andrea |
Alizoti, Paraskevi |
Bozzano, Michele |
González-Martínez, Santiago C.
Topics
hipoteza centra in periferije |
okoljski indikatorji |
geografski indikatorji |
indikatorji migracij |
In situ varovanje genskih virov |
marginalne populcije |
periferne populacije |
centre-periphery hypothesis |
environmental indices |
geographical indices |
migration indices |
marginal populations |
peripheral populations |
in situ genetic conservation
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Author | Picard, Nicolas ... |
Title | Marginality indices for biodiversity conservation in forest trees |
Publication date | 2022-08-29 |
COBISS.SI-ID | 119745795 |
Publication version in repository | Publisher's version |
Publication licence | Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International |
Embargo | Unidentified |
Project(s) from which the publication was funded
Title | Acronym | Project ID | Funder |
---|---|---|---|
Adaptive BREEDING for productive, sustainable and resilient FORESTs under climate change | B4EST | 773383 |
European Commission |
Gozdna biologija, ekologija in tehnologija | P4-0107-2020 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
|
Improving access to FORest GENetic resources Information and services for end-USers | FORGENIUS | 862221 |
European Commission |
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Picard, Nicolas | ![]() |
Marchi, Maurizio | ![]() |
Serra-Varela, Maria Jesus | ![]() |
Westergren, Marjana | 24343 |
Cavers, Stephen | ![]() |
Notivol, Eduardo | ![]() |
Piotti, Andrea | ![]() |
Alizoti, Paraskevi | ![]() |
Bozzano, Michele | ![]() |
González-Martínez, Santiago C. | ![]() |
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