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Weather fluctuations affect the impact of consumers on vegetation recovery following a catastrophic die‐off

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Zeitschriftentitel: Ecology
Personen und Körperschaften: He, Qiang, Silliman, Brian R., van de Koppel, Johan, Cui, Baoshan
In: Ecology, 100, 2019, 1
Format: E-Article
Sprache: Englisch
veröffentlicht:
Wiley
Schlagwörter:
Ecology, Evolution, Behavior and Systematics
author_facet He, Qiang
Silliman, Brian R.
van de Koppel, Johan
Cui, Baoshan
He, Qiang
Silliman, Brian R.
van de Koppel, Johan
Cui, Baoshan
author He, Qiang
Silliman, Brian R.
van de Koppel, Johan
Cui, Baoshan
spellingShingle He, Qiang
Silliman, Brian R.
van de Koppel, Johan
Cui, Baoshan
Ecology
Weather fluctuations affect the impact of consumers on vegetation recovery following a catastrophic die‐off
Ecology, Evolution, Behavior and Systematics
author_sort he, qiang
spelling He, Qiang Silliman, Brian R. van de Koppel, Johan Cui, Baoshan 0012-9658 1939-9170 Wiley Ecology, Evolution, Behavior and Systematics http://dx.doi.org/10.1002/ecy.2559 <jats:title>Abstract</jats:title><jats:p>Prolonged droughts exacerbated by climate change have been widely documented to interact with consumers to decimate vegetation in many ecosystems. Although climate change is increasing within‐year variation in precipitation and temperature, how weather fluctuations affect the impact of consumers on vegetation processes remains poorly understood. In a salt marsh that has recently experienced drought‐associated vegetation die‐off, we investigated how top‐down control of plant recovery by a prominent salt marsh grazer varies with weather. Our results showed that grazing‐driven plant mortality varied strongly with weather in spring, with intense grazing occurring during cool, wet days immediately following rain. Intense grazing on cool, wet days across the generally dry spring season had a strong impact that eliminated plant seedlings that could otherwise have become tolerant of grazing in the following summer, thereby restricting vegetation recovery and contributing to the persistence of an unvegetated salt barren state. Thus, weather fluctuations can modulate the impact of consumers on vegetation recovery, a fundamental process underlying the fate of ecosystems after disturbances. A multi‐timescale perspective on top‐down control that combines the impact of short‐term fluctuations in weather and that of long‐term variation in mean climate can not only help understand ecosystem dynamics in an increasingly variable climate, but may also inform conservation strategies or recovery plans for ecosystems that are already lost to climate change.</jats:p> Weather fluctuations affect the impact of consumers on vegetation recovery following a catastrophic die‐off Ecology
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title Weather fluctuations affect the impact of consumers on vegetation recovery following a catastrophic die‐off
title_unstemmed Weather fluctuations affect the impact of consumers on vegetation recovery following a catastrophic die‐off
title_full Weather fluctuations affect the impact of consumers on vegetation recovery following a catastrophic die‐off
title_fullStr Weather fluctuations affect the impact of consumers on vegetation recovery following a catastrophic die‐off
title_full_unstemmed Weather fluctuations affect the impact of consumers on vegetation recovery following a catastrophic die‐off
title_short Weather fluctuations affect the impact of consumers on vegetation recovery following a catastrophic die‐off
title_sort weather fluctuations affect the impact of consumers on vegetation recovery following a catastrophic die‐off
topic Ecology, Evolution, Behavior and Systematics
url http://dx.doi.org/10.1002/ecy.2559
publishDate 2019
physical
description <jats:title>Abstract</jats:title><jats:p>Prolonged droughts exacerbated by climate change have been widely documented to interact with consumers to decimate vegetation in many ecosystems. Although climate change is increasing within‐year variation in precipitation and temperature, how weather fluctuations affect the impact of consumers on vegetation processes remains poorly understood. In a salt marsh that has recently experienced drought‐associated vegetation die‐off, we investigated how top‐down control of plant recovery by a prominent salt marsh grazer varies with weather. Our results showed that grazing‐driven plant mortality varied strongly with weather in spring, with intense grazing occurring during cool, wet days immediately following rain. Intense grazing on cool, wet days across the generally dry spring season had a strong impact that eliminated plant seedlings that could otherwise have become tolerant of grazing in the following summer, thereby restricting vegetation recovery and contributing to the persistence of an unvegetated salt barren state. Thus, weather fluctuations can modulate the impact of consumers on vegetation recovery, a fundamental process underlying the fate of ecosystems after disturbances. A multi‐timescale perspective on top‐down control that combines the impact of short‐term fluctuations in weather and that of long‐term variation in mean climate can not only help understand ecosystem dynamics in an increasingly variable climate, but may also inform conservation strategies or recovery plans for ecosystems that are already lost to climate change.</jats:p>
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author He, Qiang, Silliman, Brian R., van de Koppel, Johan, Cui, Baoshan
author_facet He, Qiang, Silliman, Brian R., van de Koppel, Johan, Cui, Baoshan, He, Qiang, Silliman, Brian R., van de Koppel, Johan, Cui, Baoshan
author_sort he, qiang
container_issue 1
container_start_page 0
container_title Ecology
container_volume 100
description <jats:title>Abstract</jats:title><jats:p>Prolonged droughts exacerbated by climate change have been widely documented to interact with consumers to decimate vegetation in many ecosystems. Although climate change is increasing within‐year variation in precipitation and temperature, how weather fluctuations affect the impact of consumers on vegetation processes remains poorly understood. In a salt marsh that has recently experienced drought‐associated vegetation die‐off, we investigated how top‐down control of plant recovery by a prominent salt marsh grazer varies with weather. Our results showed that grazing‐driven plant mortality varied strongly with weather in spring, with intense grazing occurring during cool, wet days immediately following rain. Intense grazing on cool, wet days across the generally dry spring season had a strong impact that eliminated plant seedlings that could otherwise have become tolerant of grazing in the following summer, thereby restricting vegetation recovery and contributing to the persistence of an unvegetated salt barren state. Thus, weather fluctuations can modulate the impact of consumers on vegetation recovery, a fundamental process underlying the fate of ecosystems after disturbances. A multi‐timescale perspective on top‐down control that combines the impact of short‐term fluctuations in weather and that of long‐term variation in mean climate can not only help understand ecosystem dynamics in an increasingly variable climate, but may also inform conservation strategies or recovery plans for ecosystems that are already lost to climate change.</jats:p>
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id ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTAwMi9lY3kuMjU1OQ
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spelling He, Qiang Silliman, Brian R. van de Koppel, Johan Cui, Baoshan 0012-9658 1939-9170 Wiley Ecology, Evolution, Behavior and Systematics http://dx.doi.org/10.1002/ecy.2559 <jats:title>Abstract</jats:title><jats:p>Prolonged droughts exacerbated by climate change have been widely documented to interact with consumers to decimate vegetation in many ecosystems. Although climate change is increasing within‐year variation in precipitation and temperature, how weather fluctuations affect the impact of consumers on vegetation processes remains poorly understood. In a salt marsh that has recently experienced drought‐associated vegetation die‐off, we investigated how top‐down control of plant recovery by a prominent salt marsh grazer varies with weather. Our results showed that grazing‐driven plant mortality varied strongly with weather in spring, with intense grazing occurring during cool, wet days immediately following rain. Intense grazing on cool, wet days across the generally dry spring season had a strong impact that eliminated plant seedlings that could otherwise have become tolerant of grazing in the following summer, thereby restricting vegetation recovery and contributing to the persistence of an unvegetated salt barren state. Thus, weather fluctuations can modulate the impact of consumers on vegetation recovery, a fundamental process underlying the fate of ecosystems after disturbances. A multi‐timescale perspective on top‐down control that combines the impact of short‐term fluctuations in weather and that of long‐term variation in mean climate can not only help understand ecosystem dynamics in an increasingly variable climate, but may also inform conservation strategies or recovery plans for ecosystems that are already lost to climate change.</jats:p> Weather fluctuations affect the impact of consumers on vegetation recovery following a catastrophic die‐off Ecology
spellingShingle He, Qiang, Silliman, Brian R., van de Koppel, Johan, Cui, Baoshan, Ecology, Weather fluctuations affect the impact of consumers on vegetation recovery following a catastrophic die‐off, Ecology, Evolution, Behavior and Systematics
title Weather fluctuations affect the impact of consumers on vegetation recovery following a catastrophic die‐off
title_full Weather fluctuations affect the impact of consumers on vegetation recovery following a catastrophic die‐off
title_fullStr Weather fluctuations affect the impact of consumers on vegetation recovery following a catastrophic die‐off
title_full_unstemmed Weather fluctuations affect the impact of consumers on vegetation recovery following a catastrophic die‐off
title_short Weather fluctuations affect the impact of consumers on vegetation recovery following a catastrophic die‐off
title_sort weather fluctuations affect the impact of consumers on vegetation recovery following a catastrophic die‐off
title_unstemmed Weather fluctuations affect the impact of consumers on vegetation recovery following a catastrophic die‐off
topic Ecology, Evolution, Behavior and Systematics
url http://dx.doi.org/10.1002/ecy.2559