Mediterranean marine protected areas have higher biodiversity via increased evenness, not abundance

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

Standard

Mediterranean marine protected areas have higher biodiversity via increased evenness, not abundance. / Blowes, Shane A.; Chase, Jonathan M.; Di Franco, Antonio et al.
in: Journal of Applied Ecology, Jahrgang 57, Nr. 3, 01.03.2020, S. 578-589.

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

Harvard

Blowes, SA, Chase, JM, Di Franco, A, Frid, O, Gotelli, NJ, Guidetti, P, Knight, TM, May, F, McGlinn, DJ, Micheli, F, Sala, E & Belmaker, J 2020, 'Mediterranean marine protected areas have higher biodiversity via increased evenness, not abundance', Journal of Applied Ecology, Jg. 57, Nr. 3, S. 578-589. https://doi.org/10.1111/1365-2664.13549

APA

Blowes, S. A., Chase, J. M., Di Franco, A., Frid, O., Gotelli, N. J., Guidetti, P., Knight, T. M., May, F., McGlinn, D. J., Micheli, F., Sala, E., & Belmaker, J. (2020). Mediterranean marine protected areas have higher biodiversity via increased evenness, not abundance. Journal of Applied Ecology, 57(3), 578-589. https://doi.org/10.1111/1365-2664.13549

Vancouver

Blowes SA, Chase JM, Di Franco A, Frid O, Gotelli NJ, Guidetti P et al. Mediterranean marine protected areas have higher biodiversity via increased evenness, not abundance. Journal of Applied Ecology. 2020 Mär 1;57(3):578-589. Epub 2020 Jan 6. doi: 10.1111/1365-2664.13549

Bibtex

@article{e3363daa7d78450f974894af0ce807c5,
title = "Mediterranean marine protected areas have higher biodiversity via increased evenness, not abundance",
abstract = "1. Protected areas are central to biodiversity conservation. For marine fish, marine protected areas (MPAs) often harbour more individuals, especially of species targeted by fisheries. But precise pathways of biodiversity change remain unclear. For example, how local-scale responses combine to affect regional biodiversity, important for managing spatial networks of MPAs, is not well known. Protection potentially influences three components of fish assemblages that determine how species accumulate with sampling effort and spatial scale: the total number of individuals, the relative abundance of species and within-species aggregation. Here, we examined the contributions of each component to species richness changes inside MPAs as a function of spatial scale. 2. Using standardized underwater visual survey data, we measured the abundance and species richness of reef fishes in 43 protected and 41 fished sites in the Mediterranean Sea. 3. At both local and regional scales, increased species evenness caused by added common species in MPAs compared to fished sites was the most important proximate driver of higher diversity. 4. Site-to-site variation in the composition (i.e. β-diversity) of common species was also higher among protected sites, and depended on sensitivity to exploitation. There were more abundant exploited species at regional scales than at local scales, reflecting a tendency for different protected sites to harbour different exploited species. In contrast, fewer abundant unexploited species were found at the regional scale than at the local scale, meaning that relative abundances at the regional scale were less even than at the local scale. 5. Synthesis and applications. Although marine protected areas (MPAs) are known to strongly influence fish community abundance and biomass, we found that changes to the relative abundance of species (i.e. increased evenness) dominated the biodiversity response to protection. MPAs had more relatively common species, which in turn led to higher diversity for a given sampling effort. Moreover, higher β-diversity of common species meant that local-scale responses were magnified at the regional scale due to site-to-site variation inside protected areas for exploited species. Regional conservation efforts can be strengthened by examining how multiple components of biodiversity respond to protection across spatial scales.",
keywords = "beta-diversity, biodiversity, conservation, marine protected areas, protected areas, scale dependence, Gender and Diversity, Biology",
author = "Blowes, {Shane A.} and Chase, {Jonathan M.} and {Di Franco}, Antonio and Ori Frid and Gotelli, {Nicholas J.} and Paolo Guidetti and Knight, {Tiffany M.} and Felix May and McGlinn, {Daniel J.} and Fiorenza Micheli and Enric Sala and Jonathan Belmaker",
note = "S.A.B. thanks the Marine Ecology & Biodiversity laboratory at TAU, the Biodiversity Synthesis group at iDiv, the editor and reviewers for constructive feedback at various stages of this project. This work was partially supported by an Israel Science Foundation (ISF) grant number 1356/15 to J.B. J.M.C., T.M.K., F.M. and S.A.B. gratefully acknowledge the support of the German Centre of Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig (funded by the German Research Foundation; FZT 118); T.M.K. was also supported by the Alexander von Humboldt Foundation; F.M. acknowledges support from the Stanford Woods Institute for the Environment.",
year = "2020",
month = mar,
day = "1",
doi = "10.1111/1365-2664.13549",
language = "English",
volume = "57",
pages = "578--589",
journal = "Journal of Applied Ecology",
issn = "0021-8901",
publisher = "Wiley-Blackwell Publishing Ltd.",
number = "3",

}

RIS

TY - JOUR

T1 - Mediterranean marine protected areas have higher biodiversity via increased evenness, not abundance

AU - Blowes, Shane A.

AU - Chase, Jonathan M.

AU - Di Franco, Antonio

AU - Frid, Ori

AU - Gotelli, Nicholas J.

AU - Guidetti, Paolo

AU - Knight, Tiffany M.

AU - May, Felix

AU - McGlinn, Daniel J.

AU - Micheli, Fiorenza

AU - Sala, Enric

AU - Belmaker, Jonathan

N1 - S.A.B. thanks the Marine Ecology & Biodiversity laboratory at TAU, the Biodiversity Synthesis group at iDiv, the editor and reviewers for constructive feedback at various stages of this project. This work was partially supported by an Israel Science Foundation (ISF) grant number 1356/15 to J.B. J.M.C., T.M.K., F.M. and S.A.B. gratefully acknowledge the support of the German Centre of Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig (funded by the German Research Foundation; FZT 118); T.M.K. was also supported by the Alexander von Humboldt Foundation; F.M. acknowledges support from the Stanford Woods Institute for the Environment.

PY - 2020/3/1

Y1 - 2020/3/1

N2 - 1. Protected areas are central to biodiversity conservation. For marine fish, marine protected areas (MPAs) often harbour more individuals, especially of species targeted by fisheries. But precise pathways of biodiversity change remain unclear. For example, how local-scale responses combine to affect regional biodiversity, important for managing spatial networks of MPAs, is not well known. Protection potentially influences three components of fish assemblages that determine how species accumulate with sampling effort and spatial scale: the total number of individuals, the relative abundance of species and within-species aggregation. Here, we examined the contributions of each component to species richness changes inside MPAs as a function of spatial scale. 2. Using standardized underwater visual survey data, we measured the abundance and species richness of reef fishes in 43 protected and 41 fished sites in the Mediterranean Sea. 3. At both local and regional scales, increased species evenness caused by added common species in MPAs compared to fished sites was the most important proximate driver of higher diversity. 4. Site-to-site variation in the composition (i.e. β-diversity) of common species was also higher among protected sites, and depended on sensitivity to exploitation. There were more abundant exploited species at regional scales than at local scales, reflecting a tendency for different protected sites to harbour different exploited species. In contrast, fewer abundant unexploited species were found at the regional scale than at the local scale, meaning that relative abundances at the regional scale were less even than at the local scale. 5. Synthesis and applications. Although marine protected areas (MPAs) are known to strongly influence fish community abundance and biomass, we found that changes to the relative abundance of species (i.e. increased evenness) dominated the biodiversity response to protection. MPAs had more relatively common species, which in turn led to higher diversity for a given sampling effort. Moreover, higher β-diversity of common species meant that local-scale responses were magnified at the regional scale due to site-to-site variation inside protected areas for exploited species. Regional conservation efforts can be strengthened by examining how multiple components of biodiversity respond to protection across spatial scales.

AB - 1. Protected areas are central to biodiversity conservation. For marine fish, marine protected areas (MPAs) often harbour more individuals, especially of species targeted by fisheries. But precise pathways of biodiversity change remain unclear. For example, how local-scale responses combine to affect regional biodiversity, important for managing spatial networks of MPAs, is not well known. Protection potentially influences three components of fish assemblages that determine how species accumulate with sampling effort and spatial scale: the total number of individuals, the relative abundance of species and within-species aggregation. Here, we examined the contributions of each component to species richness changes inside MPAs as a function of spatial scale. 2. Using standardized underwater visual survey data, we measured the abundance and species richness of reef fishes in 43 protected and 41 fished sites in the Mediterranean Sea. 3. At both local and regional scales, increased species evenness caused by added common species in MPAs compared to fished sites was the most important proximate driver of higher diversity. 4. Site-to-site variation in the composition (i.e. β-diversity) of common species was also higher among protected sites, and depended on sensitivity to exploitation. There were more abundant exploited species at regional scales than at local scales, reflecting a tendency for different protected sites to harbour different exploited species. In contrast, fewer abundant unexploited species were found at the regional scale than at the local scale, meaning that relative abundances at the regional scale were less even than at the local scale. 5. Synthesis and applications. Although marine protected areas (MPAs) are known to strongly influence fish community abundance and biomass, we found that changes to the relative abundance of species (i.e. increased evenness) dominated the biodiversity response to protection. MPAs had more relatively common species, which in turn led to higher diversity for a given sampling effort. Moreover, higher β-diversity of common species meant that local-scale responses were magnified at the regional scale due to site-to-site variation inside protected areas for exploited species. Regional conservation efforts can be strengthened by examining how multiple components of biodiversity respond to protection across spatial scales.

KW - beta-diversity

KW - biodiversity

KW - conservation

KW - marine protected areas

KW - protected areas

KW - scale dependence

KW - Gender and Diversity

KW - Biology

UR - http://www.scopus.com/inward/record.url?scp=85077873477&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/305e24d4-0765-3c57-b7bc-dd5cbaf4e545/

U2 - 10.1111/1365-2664.13549

DO - 10.1111/1365-2664.13549

M3 - Journal articles

VL - 57

SP - 578

EP - 589

JO - Journal of Applied Ecology

JF - Journal of Applied Ecology

SN - 0021-8901

IS - 3

ER -

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