Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/142590
Title: Latitudinal clines in temperature and salinity tolerance in tidepool copepods
Authors: Leong, Wai
Sun, Patrick Y.
Edmands, Suzanne
Keywords: Science::Biological sciences
Issue Date: 2017
Source: Leong, W., Sun, P. Y., & Edmands, S. (2017). Latitudinal clines in temperature and salinity tolerance in tidepool copepods. Journal of heredity, 109(1), 71–77. doi:10.1093/jhered/esx061
Journal: Journal of heredity
Abstract: Local adaptation has been understudied in marine systems, but might be expected to be pronounced in the tidepool copepod Tigriopus californicus, which has a broad geographic range and extremely restricted dispersal. Tolerance to temperature and salinity was assessed in 14 populations over a 20° latitudinal range. Adaptive differentiation to temperature and salinity was found at scales as low as 5.6 km. Latitudinal clines were significant, with northern populations being more tolerant of low salinity and less tolerant of high temperature and high salinity. Both temperature and salinity tolerance were more closely associated with long-term thermal maxima than with long-term precipitation data. Hyperthermal and hyposmotic tolerance were inversely correlated, a pattern that could potentially slow adaptation to future conditions. Together, these studies of intraspecific geographic patterns in resistance to multiple stressors are important in predicting how environmental change may effect range shifts and local extinctions.
URI: https://hdl.handle.net/10356/142590
ISSN: 0022-1503
DOI: 10.1093/jhered/esx061
Rights: © 2017 The American Genetic Association. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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