UPPER TEMPERATURE LIMITS IN MARINE BENTHIC SPECIES: A MACROPHYSIOLOGICALVIEW
participant Defining species' upper temperature limits with ecological relevance is important in the context of environmental change. The approach used here is to draw the relationship between rates of temperature change and upper temperature limits in order to evaluate the acclimation temperat...
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ftunivbrest:oai:HAL:hal-00502864v1 2023-05-15T13:38:38+02:00 UPPER TEMPERATURE LIMITS IN MARINE BENTHIC SPECIES: A MACROPHYSIOLOGICALVIEW Richard, Joëlle Clark, Melody Morley, Simon Peck, Lloyd British Antarctic Survey (BAS) Natural Environment Research Council (NERC) Brest, France 2010-08-23 https://hal.univ-brest.fr/hal-00502864 en eng HAL CCSD hal-00502864 https://hal.univ-brest.fr/hal-00502864 ClimECO2 International Summer School - Oceans, Marine Ecosystems, and Society facing Climate Change https://hal.univ-brest.fr/hal-00502864 ClimECO2 International Summer School - Oceans, Marine Ecosystems, and Society facing Climate Change, Aug 2010, Brest, France [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography info:eu-repo/semantics/conferenceObject Conference papers 2010 ftunivbrest 2022-05-12T21:28:23Z participant Defining species' upper temperature limits with ecological relevance is important in the context of environmental change. The approach used here is to draw the relationship between rates of temperature change and upper temperature limits in order to evaluate the acclimation temperature (Ta). This is a new approach to the integration of time and temperature in the evaluation of temperature limits. Using data previously published for different temperate and Antarctic marine environments. We calculated Ta at a macrophysiological scale, which allowed us to calculate a new index: the excess acclimatory capacity (EAC). This index is defined as the maximum environmental temperature increase which organisms in a given environment can cope with (calculated as the difference between maximum acclimation temperature and maximum habitat temperature). It provides a measure of how close a species/ assemblage/ fauna are to their limits and hence their vulnerability to environmental warming. In contrast to data for terrestrial environments showing that tropical species have less physiological flexibility than those from temperate or polar habitats, results here for marine environments shows a less clear pattern. The smallest EAC value here, was for the Peru upwelling system. The method applied here, relating temperature limits to rate of experimental warming, has potential for wide application in the identification of faunas with little excess acclimatory capacity to survive environmental warming. Conference Object Antarc* Antarctic Université de Bretagne Occidentale: HAL Antarctic |
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Open Polar |
collection |
Université de Bretagne Occidentale: HAL |
op_collection_id |
ftunivbrest |
language |
English |
topic |
[SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography |
spellingShingle |
[SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography Richard, Joëlle Clark, Melody Morley, Simon Peck, Lloyd UPPER TEMPERATURE LIMITS IN MARINE BENTHIC SPECIES: A MACROPHYSIOLOGICALVIEW |
topic_facet |
[SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography |
description |
participant Defining species' upper temperature limits with ecological relevance is important in the context of environmental change. The approach used here is to draw the relationship between rates of temperature change and upper temperature limits in order to evaluate the acclimation temperature (Ta). This is a new approach to the integration of time and temperature in the evaluation of temperature limits. Using data previously published for different temperate and Antarctic marine environments. We calculated Ta at a macrophysiological scale, which allowed us to calculate a new index: the excess acclimatory capacity (EAC). This index is defined as the maximum environmental temperature increase which organisms in a given environment can cope with (calculated as the difference between maximum acclimation temperature and maximum habitat temperature). It provides a measure of how close a species/ assemblage/ fauna are to their limits and hence their vulnerability to environmental warming. In contrast to data for terrestrial environments showing that tropical species have less physiological flexibility than those from temperate or polar habitats, results here for marine environments shows a less clear pattern. The smallest EAC value here, was for the Peru upwelling system. The method applied here, relating temperature limits to rate of experimental warming, has potential for wide application in the identification of faunas with little excess acclimatory capacity to survive environmental warming. |
author2 |
British Antarctic Survey (BAS) Natural Environment Research Council (NERC) |
format |
Conference Object |
author |
Richard, Joëlle Clark, Melody Morley, Simon Peck, Lloyd |
author_facet |
Richard, Joëlle Clark, Melody Morley, Simon Peck, Lloyd |
author_sort |
Richard, Joëlle |
title |
UPPER TEMPERATURE LIMITS IN MARINE BENTHIC SPECIES: A MACROPHYSIOLOGICALVIEW |
title_short |
UPPER TEMPERATURE LIMITS IN MARINE BENTHIC SPECIES: A MACROPHYSIOLOGICALVIEW |
title_full |
UPPER TEMPERATURE LIMITS IN MARINE BENTHIC SPECIES: A MACROPHYSIOLOGICALVIEW |
title_fullStr |
UPPER TEMPERATURE LIMITS IN MARINE BENTHIC SPECIES: A MACROPHYSIOLOGICALVIEW |
title_full_unstemmed |
UPPER TEMPERATURE LIMITS IN MARINE BENTHIC SPECIES: A MACROPHYSIOLOGICALVIEW |
title_sort |
upper temperature limits in marine benthic species: a macrophysiologicalview |
publisher |
HAL CCSD |
publishDate |
2010 |
url |
https://hal.univ-brest.fr/hal-00502864 |
op_coverage |
Brest, France |
geographic |
Antarctic |
geographic_facet |
Antarctic |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
ClimECO2 International Summer School - Oceans, Marine Ecosystems, and Society facing Climate Change https://hal.univ-brest.fr/hal-00502864 ClimECO2 International Summer School - Oceans, Marine Ecosystems, and Society facing Climate Change, Aug 2010, Brest, France |
op_relation |
hal-00502864 https://hal.univ-brest.fr/hal-00502864 |
_version_ |
1766109084380037120 |