Rice cultivation supports growth and survival of a threatened semi‐aquatic reptile

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Bibliographic Details
Main Authors: Jonathan P. Rose, Allison M. Nguyen, Anna C. Jordan, Daniel A. Macias, Elliot J. Schoenig, Giancarlo R. Napolitano, Richard Kim, Julia S. M. Ersan, Alexandria M. Fulton, Brian J. Halstead
Format: Artículo Open Access
Published: Wiley 2025
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author Jonathan P. Rose
Allison M. Nguyen
Anna C. Jordan
Daniel A. Macias
Elliot J. Schoenig
Giancarlo R. Napolitano
Richard Kim
Julia S. M. Ersan
Alexandria M. Fulton
Brian J. Halstead
author_facet Jonathan P. Rose
Allison M. Nguyen
Anna C. Jordan
Daniel A. Macias
Elliot J. Schoenig
Giancarlo R. Napolitano
Richard Kim
Julia S. M. Ersan
Alexandria M. Fulton
Brian J. Halstead
Jonathan P. Rose
Allison M. Nguyen
Anna C. Jordan
Daniel A. Macias
Elliot J. Schoenig
Giancarlo R. Napolitano
Richard Kim
Julia S. M. Ersan
Alexandria M. Fulton
Brian J. Halstead
collection Wiley Open Access
contents Rice cultivation supports growth and survival of a threatened semi‐aquatic reptile Jonathan P. Rose Allison M. Nguyen Anna C. Jordan Daniel A. Macias Elliot J. Schoenig Giancarlo R. Napolitano Richard Kim Julia S. M. Ersan Alexandria M. Fulton Brian J. Halstead Ecological Applications Abstract Integration of agroecosystems and other working landscapes with protected lands and waters is critical to the conservation of Earth's biodiversity. Rice agroecosystems support many species by providing aquatic habitat where natural wetlands have been altered or drained. In regions with long dry seasons, rice fields and associated irrigation canals provide essential habitat for wetland‐dependent species. We quantified the spatial scale and magnitude of the effect of rice growing on the growth and survival of the giant gartersnake ( Thamnophis gigas ), a threatened species that persists primarily in areas of rice agriculture in the Central Valley of California, USA. We used structural causal models to identify drought condition as a key confounder to adjust for when estimating the total effect of rice growing on demographic rates. We analyzed capture‐mark‐recapture data from 19 populations of giant gartersnakes with an integrated growth–survival model and used distance‐weighted covariates to account for the decline in influence of rice with increasing distance from our study sites. We found strong support for a positive effect of rice grown within 1.9 km of a canal on giant gartersnake growth. There was also support for a positive effect of rice on giant gartersnake survival, although the spatial scale extended out to 5 km or more. Our results demonstrate how active rice growing benefits giant gartersnakes inhabiting irrigation canals and demonstrate an approach for studying landscape effects on wildlife in agroecosystems. 10.1002/eap.70139 http://creativecommons.org/licenses/by/4.0/
doi_str_mv 10.1002/eap.70139
format Artículo Open Access
id wiley_oa_10_1002_eap_70139
institution Wiley Open Access
license_str_mv http://creativecommons.org/licenses/by/4.0/
publishDate 2025
publisher Wiley
record_format wiley_oa
spellingShingle Rice cultivation supports growth and survival of a threatened semi‐aquatic reptile
Jonathan P. Rose
Allison M. Nguyen
Anna C. Jordan
Daniel A. Macias
Elliot J. Schoenig
Giancarlo R. Napolitano
Richard Kim
Julia S. M. Ersan
Alexandria M. Fulton
Brian J. Halstead
Ecological Applications
Rice cultivation supports growth and survival of a threatened semi‐aquatic reptile Jonathan P. Rose Allison M. Nguyen Anna C. Jordan Daniel A. Macias Elliot J. Schoenig Giancarlo R. Napolitano Richard Kim Julia S. M. Ersan Alexandria M. Fulton Brian J. Halstead Ecological Applications Abstract Integration of agroecosystems and other working landscapes with protected lands and waters is critical to the conservation of Earth's biodiversity. Rice agroecosystems support many species by providing aquatic habitat where natural wetlands have been altered or drained. In regions with long dry seasons, rice fields and associated irrigation canals provide essential habitat for wetland‐dependent species. We quantified the spatial scale and magnitude of the effect of rice growing on the growth and survival of the giant gartersnake ( Thamnophis gigas ), a threatened species that persists primarily in areas of rice agriculture in the Central Valley of California, USA. We used structural causal models to identify drought condition as a key confounder to adjust for when estimating the total effect of rice growing on demographic rates. We analyzed capture‐mark‐recapture data from 19 populations of giant gartersnakes with an integrated growth–survival model and used distance‐weighted covariates to account for the decline in influence of rice with increasing distance from our study sites. We found strong support for a positive effect of rice grown within 1.9 km of a canal on giant gartersnake growth. There was also support for a positive effect of rice on giant gartersnake survival, although the spatial scale extended out to 5 km or more. Our results demonstrate how active rice growing benefits giant gartersnakes inhabiting irrigation canals and demonstrate an approach for studying landscape effects on wildlife in agroecosystems. 10.1002/eap.70139 http://creativecommons.org/licenses/by/4.0/
title Rice cultivation supports growth and survival of a threatened semi‐aquatic reptile
topic Ecological Applications
url https://esajournals.onlinelibrary.wiley.com/doi/10.1002/eap.70139