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Marine reserve recovery rates towards a baseline are slower for reef fish community life histories than biomass

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Marine reserve recovery rates towards a baseline are slower for reef fish community life histories than biomass. / McClanahan, T. R.; Graham, N. A. J.
In: Proceedings of the Royal Society B: Biological Sciences, Vol. 282, No. 1821, 20151938, 22.12.2015.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

McClanahan, TR & Graham, NAJ 2015, 'Marine reserve recovery rates towards a baseline are slower for reef fish community life histories than biomass', Proceedings of the Royal Society B: Biological Sciences, vol. 282, no. 1821, 20151938. https://doi.org/10.1098/rspb.2015.1938

APA

McClanahan, T. R., & Graham, N. A. J. (2015). Marine reserve recovery rates towards a baseline are slower for reef fish community life histories than biomass. Proceedings of the Royal Society B: Biological Sciences, 282(1821), Article 20151938. https://doi.org/10.1098/rspb.2015.1938

Vancouver

McClanahan TR, Graham NAJ. Marine reserve recovery rates towards a baseline are slower for reef fish community life histories than biomass. Proceedings of the Royal Society B: Biological Sciences. 2015 Dec 22;282(1821):20151938. doi: 10.1098/rspb.2015.1938

Author

McClanahan, T. R. ; Graham, N. A. J. / Marine reserve recovery rates towards a baseline are slower for reef fish community life histories than biomass. In: Proceedings of the Royal Society B: Biological Sciences. 2015 ; Vol. 282, No. 1821.

Bibtex

@article{36c377d336f342eb8d3946cd9f40313c,
title = "Marine reserve recovery rates towards a baseline are slower for reef fish community life histories than biomass",
abstract = "Ecological baselines are disappearing and it is uncertain how marine reserves, here called fisheries closures, simulate pristine communities. We tested the influence of fisheries closure age, size and compliance on recovery of community biomass and life-history metrics towards a baseline. We used census data from 324 coral reefs, including 41 protected areas ranging between 1 and 45 years of age and 0.28 and 1430 km(2), and 36 sites in a remote baseline, the Chagos Archipelago. Fish community-level life histories changed towards larger and later maturing fauna with increasing closure age, size and compliance. In high compliance closures, community biomass levelled at approximately 20 years and 10 km(2) but was still only at approximately 30% of the baseline and community growth rates were projected to slowly decline for more than 100 years. In low compliance and young closures, biomass levelled at half the value and time as high compliance closures and life-history metrics were not predicted to reach the baseline. Biomass does not adequately reflect the long-time scales for full recovery of life-history characteristics, with implications for coral reef management.",
keywords = "fisheries recovery, Indian Ocean, marine spatial planning, size and age at maturity, CORAL-REEFS, FISHERIES, POPULATIONS, CONSERVATION, EVOLUTION, TRAITS, GROWTH, AGE, CONSEQUENCES, PRODUCTIVITY",
author = "McClanahan, {T. R.} and Graham, {N. A. J.}",
year = "2015",
month = dec,
day = "22",
doi = "10.1098/rspb.2015.1938",
language = "English",
volume = "282",
journal = "Proceedings of the Royal Society B: Biological Sciences",
issn = "0962-8452",
publisher = "Royal Society of Chemistry Publishing",
number = "1821",

}

RIS

TY - JOUR

T1 - Marine reserve recovery rates towards a baseline are slower for reef fish community life histories than biomass

AU - McClanahan, T. R.

AU - Graham, N. A. J.

PY - 2015/12/22

Y1 - 2015/12/22

N2 - Ecological baselines are disappearing and it is uncertain how marine reserves, here called fisheries closures, simulate pristine communities. We tested the influence of fisheries closure age, size and compliance on recovery of community biomass and life-history metrics towards a baseline. We used census data from 324 coral reefs, including 41 protected areas ranging between 1 and 45 years of age and 0.28 and 1430 km(2), and 36 sites in a remote baseline, the Chagos Archipelago. Fish community-level life histories changed towards larger and later maturing fauna with increasing closure age, size and compliance. In high compliance closures, community biomass levelled at approximately 20 years and 10 km(2) but was still only at approximately 30% of the baseline and community growth rates were projected to slowly decline for more than 100 years. In low compliance and young closures, biomass levelled at half the value and time as high compliance closures and life-history metrics were not predicted to reach the baseline. Biomass does not adequately reflect the long-time scales for full recovery of life-history characteristics, with implications for coral reef management.

AB - Ecological baselines are disappearing and it is uncertain how marine reserves, here called fisheries closures, simulate pristine communities. We tested the influence of fisheries closure age, size and compliance on recovery of community biomass and life-history metrics towards a baseline. We used census data from 324 coral reefs, including 41 protected areas ranging between 1 and 45 years of age and 0.28 and 1430 km(2), and 36 sites in a remote baseline, the Chagos Archipelago. Fish community-level life histories changed towards larger and later maturing fauna with increasing closure age, size and compliance. In high compliance closures, community biomass levelled at approximately 20 years and 10 km(2) but was still only at approximately 30% of the baseline and community growth rates were projected to slowly decline for more than 100 years. In low compliance and young closures, biomass levelled at half the value and time as high compliance closures and life-history metrics were not predicted to reach the baseline. Biomass does not adequately reflect the long-time scales for full recovery of life-history characteristics, with implications for coral reef management.

KW - fisheries recovery

KW - Indian Ocean

KW - marine spatial planning

KW - size and age at maturity

KW - CORAL-REEFS

KW - FISHERIES

KW - POPULATIONS

KW - CONSERVATION

KW - EVOLUTION

KW - TRAITS

KW - GROWTH

KW - AGE

KW - CONSEQUENCES

KW - PRODUCTIVITY

U2 - 10.1098/rspb.2015.1938

DO - 10.1098/rspb.2015.1938

M3 - Journal article

VL - 282

JO - Proceedings of the Royal Society B: Biological Sciences

JF - Proceedings of the Royal Society B: Biological Sciences

SN - 0962-8452

IS - 1821

M1 - 20151938

ER -