Climate change alters aging patterns of reservoir aquatic habitats

Miranda, Leandro E.; Faucheux, Nicky M.

doi:10.1007/s10584-022-03432-w

Cited by 6 publications

(9 citation statements)

References 38 publications

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“…There is much yet to be learned about black bass habitat associations and their effects on abundanceoccupancy patterns. This need is made more urgent by rapid reservoir aging and projected climate change that potentially can have major effects on black bass habitats (Miranda and Faucheux 2022 ). Long-term data sets are gradually being assembled and while they may have limitations that keep them from fi tting available statistical models, with prudent usage these data sets can help test and generate hypotheses and advance conservation.…”

Section: Discussionmentioning

confidence: 99%

Fisheries Volume 48 Number 1 January 2023

2023

Fisheries

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Section: Discussionmentioning

confidence: 99%

Fisheries Volume 48 Number 1 January 2023

2023

Fisheries

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“…There is much yet to be learned about black bass habitat associations and their effects on abundance–occupancy patterns. This need is made more urgent by rapid reservoir aging and projected climate change that potentially can have major effects on black bass habitats (Miranda and Faucheux 2022). Long‐term data sets are gradually being assembled and while they may have limitations that keep them from fitting available statistical models, with prudent usage these data sets can help test and generate hypotheses and advance conservation.…”

Section: Discussionmentioning

confidence: 99%

Abundance–Occupancy Patterns Of Black Bass In An Impounded River

Miranda

2022

Fisheries

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A positive relationship has been documented for a wide diversity of taxa between the percentage of transects sampled in which a species is recorded (i.e., occupancy) and the average abundance of the species at transects where recorded. This positive relationship implies that abundance increases faster than occupancy, so populations that occupy more sites also tend to occupy them at higher abundances. Plainly, there is a limit to the sites available for a species to occupy, so as the population expands numerically, abundance at a site must also increase. The pattern may differ across species and geography depending on aspects such as species vital rates, resource use, and resource availability. I investigated abundance–occupancy patterns of three black basses Micropterus spp. in reservoirs of the mainstem Tennessee River, USA. The data set included relative abundance estimates made at 7,237 sites in nine reservoirs sampled during 1997–2018, for 43,243 black bass, including 67% Largemouth Bass Micropterus salmoides, 14% Smallmouth Bass M. dolomieu, and 19% Spotted Bass M. punctulatus. As relative abundance increased due to natural annual population fluctuations, occupancy also increased, but faster for Largemouth Bass and more slowly for Smallmouth Bass and Spotted Bass. Largemouth Bass spread abundance more thinly over many sites, and Smallmouth Bass and Spotted Bass spread abundance more thickly over fewer sites. The recognition that black bass populations that decline in occupancy face the additional burden of disproportionally larger decreases in abundance per site, or that black bass that decline in abundance per site face decreases in occupancy, has various conservation and habitat management implications.

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“…Projected Impacts of Climate Change on Functional Age Miranda and Faucheux ( 2022 ) examined the effects of climate change on the functional age of reservoirs in the United States. Their methods applied projections of climate change to existing functional age scores to adjust functional age up or down.…”

Section: Metricmentioning

confidence: 99%

“…Aging and climate directly impact reservoir environments and indirectly their biotic communities. Climate change is expected to interact with aging to speed up and, in some cases, slow down aging (Miranda and Faucheux 2022 ). Nevertheless, it is not entirely clear what the extent of this synergy and its potential outcomes will be.…”

Section: Introductionmentioning

confidence: 99%

Fisheries Volume 48 Number 12 December 2023

2023

Fisheries

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Climate change alters aging patterns of reservoir aquatic habitats

Cited by 6 publications

References 38 publications

Fisheries Volume 48 Number 1 January 2023

Fisheries Volume 48 Number 1 January 2023

Abundance–Occupancy Patterns Of Black Bass In An Impounded River

Fisheries Volume 48 Number 12 December 2023

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