Data from: Resource levels and prey state influence antipredator behavior and the strength of nonconsumptive predator effects
The risk of predation can drive trophic cascades by causing prey to engage in antipredator behavior (e.g. reduced feeding), but these behaviors can be energetically costly for prey. The effects of predation risk on prey (nonconsumptive effects, NCEs) and emergent indirect effects on basal resources...
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Online Access: | https://doi.org/10.5061/dryad.7sr33 |
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fttriple:oai:gotriple.eu:50|dedup_wf_001::82eb57d1341383c1c6bf41df32b39f3e 2023-05-15T17:36:37+02:00 Data from: Resource levels and prey state influence antipredator behavior and the strength of nonconsumptive predator effects Matassa, Catherine M. Donelan, Sarah C. Luttbeg, Barney Trussell, Geoffrey C. 2016-01-01 https://doi.org/10.5061/dryad.7sr33 en eng Dryad http://dx.doi.org/10.5061/dryad.7sr33 https://dx.doi.org/10.5061/dryad.7sr33 lic_creative-commons 10.5061/dryad.7sr33 oai:easy.dans.knaw.nl:easy-dataset:92497 oai:services.nod.dans.knaw.nl:Products/dans:oai:easy.dans.knaw.nl:easy-dataset:92497 10|openaire____::9e3be59865b2c1c335d32dae2fe7b254 10|re3data_____::94816e6421eeb072e7742ce6a9decc5f 10|re3data_____::84e123776089ce3c7a33db98d9cd15a8 10|eurocrisdris::fe4903425d9040f680d8610d9079ea14 10|openaire____::081b82f96300b6a6e3d282bad31cb6e2 re3data_____::r3d100000044 food chain predation risk Carcinus maenas rocky intertidal Nucella lapillus trait-mediated indirect interaction Semibalanus balanoides trophic cascade nonconsumptive effect Life sciences medicine and health care North Atlantic New England Gulf of Maine United States of America envir geo Dataset https://vocabularies.coar-repositories.org/resource_types/c_ddb1/ 2016 fttriple https://doi.org/10.5061/dryad.7sr33 2023-01-22T16:51:09Z The risk of predation can drive trophic cascades by causing prey to engage in antipredator behavior (e.g. reduced feeding), but these behaviors can be energetically costly for prey. The effects of predation risk on prey (nonconsumptive effects, NCEs) and emergent indirect effects on basal resources should therefore depend on the ecological context (e.g. resource abundance, prey state) in which prey manage growth/predation risk tradeoffs. Despite an abundance of behavioral research and theory examining state-dependent responses to risk, there is a lack of empirical data on state-dependent NCEs and their impact on community-level processes. We used a rocky intertidal food chain to test model predictions for how resources levels and prey state (age/size) shape the magnitude of NCEs. Risk cues from predatory crabs (Carcinus maenas) caused juvenile and sub-adult snails (Nucella lapillus) to increase their use of refuge habitats and decrease their growth and per capita foraging rates on barnacles (Semibalanus balanoides). Increasing resource levels (high barnacle density) and prey state (sub-adults) enhanced the strength of NCEs. Our results support predictions that NCEs will be stronger in resource-rich systems that enhance prey state and suggest that the demographic composition of prey populations will influence the role of NCEs in trophic cascades. Contrary to theory, however, we found that resources and prey state had little to no effect on snails in the presence of predation risk. Rather, increases in NCE strength arose because of the strong positive effects of resources and prey state on prey foraging rates in the absence of risk. Hence, a common approach to estimating NCE strength – integrating measurements of prey traits with and without predation risk into a single metric – may mask the underlying mechanisms driving variation in the strength and relative importance of NCEs in ecological communities. All dataThe file Matassa&&_1-4.zip includes 4 sequentially numbered CSV files containing all the data ... Dataset North Atlantic Nucella lapillus Unknown |
institution |
Open Polar |
collection |
Unknown |
op_collection_id |
fttriple |
language |
English |
topic |
food chain predation risk Carcinus maenas rocky intertidal Nucella lapillus trait-mediated indirect interaction Semibalanus balanoides trophic cascade nonconsumptive effect Life sciences medicine and health care North Atlantic New England Gulf of Maine United States of America envir geo |
spellingShingle |
food chain predation risk Carcinus maenas rocky intertidal Nucella lapillus trait-mediated indirect interaction Semibalanus balanoides trophic cascade nonconsumptive effect Life sciences medicine and health care North Atlantic New England Gulf of Maine United States of America envir geo Matassa, Catherine M. Donelan, Sarah C. Luttbeg, Barney Trussell, Geoffrey C. Data from: Resource levels and prey state influence antipredator behavior and the strength of nonconsumptive predator effects |
topic_facet |
food chain predation risk Carcinus maenas rocky intertidal Nucella lapillus trait-mediated indirect interaction Semibalanus balanoides trophic cascade nonconsumptive effect Life sciences medicine and health care North Atlantic New England Gulf of Maine United States of America envir geo |
description |
The risk of predation can drive trophic cascades by causing prey to engage in antipredator behavior (e.g. reduced feeding), but these behaviors can be energetically costly for prey. The effects of predation risk on prey (nonconsumptive effects, NCEs) and emergent indirect effects on basal resources should therefore depend on the ecological context (e.g. resource abundance, prey state) in which prey manage growth/predation risk tradeoffs. Despite an abundance of behavioral research and theory examining state-dependent responses to risk, there is a lack of empirical data on state-dependent NCEs and their impact on community-level processes. We used a rocky intertidal food chain to test model predictions for how resources levels and prey state (age/size) shape the magnitude of NCEs. Risk cues from predatory crabs (Carcinus maenas) caused juvenile and sub-adult snails (Nucella lapillus) to increase their use of refuge habitats and decrease their growth and per capita foraging rates on barnacles (Semibalanus balanoides). Increasing resource levels (high barnacle density) and prey state (sub-adults) enhanced the strength of NCEs. Our results support predictions that NCEs will be stronger in resource-rich systems that enhance prey state and suggest that the demographic composition of prey populations will influence the role of NCEs in trophic cascades. Contrary to theory, however, we found that resources and prey state had little to no effect on snails in the presence of predation risk. Rather, increases in NCE strength arose because of the strong positive effects of resources and prey state on prey foraging rates in the absence of risk. Hence, a common approach to estimating NCE strength – integrating measurements of prey traits with and without predation risk into a single metric – may mask the underlying mechanisms driving variation in the strength and relative importance of NCEs in ecological communities. All dataThe file Matassa&&_1-4.zip includes 4 sequentially numbered CSV files containing all the data ... |
format |
Dataset |
author |
Matassa, Catherine M. Donelan, Sarah C. Luttbeg, Barney Trussell, Geoffrey C. |
author_facet |
Matassa, Catherine M. Donelan, Sarah C. Luttbeg, Barney Trussell, Geoffrey C. |
author_sort |
Matassa, Catherine M. |
title |
Data from: Resource levels and prey state influence antipredator behavior and the strength of nonconsumptive predator effects |
title_short |
Data from: Resource levels and prey state influence antipredator behavior and the strength of nonconsumptive predator effects |
title_full |
Data from: Resource levels and prey state influence antipredator behavior and the strength of nonconsumptive predator effects |
title_fullStr |
Data from: Resource levels and prey state influence antipredator behavior and the strength of nonconsumptive predator effects |
title_full_unstemmed |
Data from: Resource levels and prey state influence antipredator behavior and the strength of nonconsumptive predator effects |
title_sort |
data from: resource levels and prey state influence antipredator behavior and the strength of nonconsumptive predator effects |
publisher |
Dryad |
publishDate |
2016 |
url |
https://doi.org/10.5061/dryad.7sr33 |
genre |
North Atlantic Nucella lapillus |
genre_facet |
North Atlantic Nucella lapillus |
op_source |
10.5061/dryad.7sr33 oai:easy.dans.knaw.nl:easy-dataset:92497 oai:services.nod.dans.knaw.nl:Products/dans:oai:easy.dans.knaw.nl:easy-dataset:92497 10|openaire____::9e3be59865b2c1c335d32dae2fe7b254 10|re3data_____::94816e6421eeb072e7742ce6a9decc5f 10|re3data_____::84e123776089ce3c7a33db98d9cd15a8 10|eurocrisdris::fe4903425d9040f680d8610d9079ea14 10|openaire____::081b82f96300b6a6e3d282bad31cb6e2 re3data_____::r3d100000044 |
op_relation |
http://dx.doi.org/10.5061/dryad.7sr33 https://dx.doi.org/10.5061/dryad.7sr33 |
op_rights |
lic_creative-commons |
op_doi |
https://doi.org/10.5061/dryad.7sr33 |
_version_ |
1766136157497720832 |