Capacity for water conservation in invasive ( Gerbillus nigeriae) and declining rodents ( Taterillus pygargus and Taterillus gracilis) that exhibit climate-induced distribution changes in Senegal
Following the southward shift of rainfall isolines in the Sahel at the end of the 1960s, Gerbillus nigeriae appeared in northern Senegal in the mid-1990s, and two resident Gerbillidae ( Taterillus pygargus and Taterillus gracilis) subsequently declined. We investigated the causal role of the capacit...
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| creator | Thiam, M. Atteynine, S.A. Traoré, S. Duplantier, J.-M. Maurel, D. Sicard, B. |
| description | Following the southward shift of rainfall isolines in the Sahel at the end of the 1960s,
Gerbillus nigeriae appeared in northern Senegal in the mid-1990s, and two resident Gerbillidae (
Taterillus pygargus and
Taterillus gracilis) subsequently declined. We investigated the causal role of the capacity to conserve water in such climate-related shifts in the distribution of these Gerbillidae by comparing the effects of a water-poor diet on the water-efflux rate (W
−out) of freshly trapped adults pre-acclimatized to a water-rich diet. During the 12-day period of water restriction in all species, 30–50% of individuals became hyperactive and showed greater weight loss and higher W
−out than the remaining inactive individuals. Such emergence of migratory strategists within populations could accelerate the expansion of
G. nigeriae. On a water-poor diet,
T. gracilis showed a lower capacity to conserve water (higher W
−out) than
T. pygargus and
G. nigeriae, in both inactive (W
−out = 44.5 ± 1.8 vs 29.6 ± 0.8 vs 27.4 ± 0.7 ml kg
−0.82.day
−1, respectively) and hyperactive individuals (W
−out = 60.4 ± 1 vs 45.4 ± 0.7 vs 44 ± 0.8 ml kg
−0.82.day
−1, respectively). We propose that the capacity to conserve water accounted for both expansion of
G. nigeriae and decline of
T. gracilis, whereas competition between
T. pygargus and
G. nigeriae could account for the decline of
T. pygargus.
► We compare the capacity for water conservation in three rodents along the south-north gradient of aridity (Senegal) [116]. ► One (native) declining species (
T. gracilis) showed the lower capacity for water conservation [102]. ► The other (native) declining species (
T. pygargus) showed similar capacities than the invasive species (
G. nigeriae) [124]. ► Rodents changes in Senegal depended on the expansion of xeric habitats and competition between native and invasive rodents [123]. |
| doi_str_mv | 10.1016/j.jaridenv.2011.04.029 |
| format | Article |
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Gerbillus nigeriae appeared in northern Senegal in the mid-1990s, and two resident Gerbillidae (
Taterillus pygargus and
Taterillus gracilis) subsequently declined. We investigated the causal role of the capacity to conserve water in such climate-related shifts in the distribution of these Gerbillidae by comparing the effects of a water-poor diet on the water-efflux rate (W
−out) of freshly trapped adults pre-acclimatized to a water-rich diet. During the 12-day period of water restriction in all species, 30–50% of individuals became hyperactive and showed greater weight loss and higher W
−out than the remaining inactive individuals. Such emergence of migratory strategists within populations could accelerate the expansion of
G. nigeriae. On a water-poor diet,
T. gracilis showed a lower capacity to conserve water (higher W
−out) than
T. pygargus and
G. nigeriae, in both inactive (W
−out = 44.5 ± 1.8 vs 29.6 ± 0.8 vs 27.4 ± 0.7 ml kg
−0.82.day
−1, respectively) and hyperactive individuals (W
−out = 60.4 ± 1 vs 45.4 ± 0.7 vs 44 ± 0.8 ml kg
−0.82.day
−1, respectively). We propose that the capacity to conserve water accounted for both expansion of
G. nigeriae and decline of
T. gracilis, whereas competition between
T. pygargus and
G. nigeriae could account for the decline of
T. pygargus.
► We compare the capacity for water conservation in three rodents along the south-north gradient of aridity (Senegal) [116]. ► One (native) declining species (
T. gracilis) showed the lower capacity for water conservation [102]. ► The other (native) declining species (
T. pygargus) showed similar capacities than the invasive species (
G. nigeriae) [124]. ► Rodents changes in Senegal depended on the expansion of xeric habitats and competition between native and invasive rodents [123].</description><identifier>ISSN: 0140-1963</identifier><identifier>EISSN: 1095-922X</identifier><identifier>DOI: 10.1016/j.jaridenv.2011.04.029</identifier><identifier>CODEN: JAENDR</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Adults ; Animal and plant ecology ; Animal, plant and microbial ecology ; Aridity ; Biological and medical sciences ; Climate changes ; Competition ; Constrictions ; Developmental plasticity ; Diets ; Emergence ; Fundamental and applied biological sciences. Psychology ; Gerbillus ; Inter-individual variability ; Life Sciences ; Mammalia ; Population expansions ; Rodents ; Sahel ; Synecology ; Terrestrial ecosystems ; Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution ; Water conservation</subject><ispartof>Journal of arid environments, 2011-11, Vol.75 (11), p.998-1007</ispartof><rights>2011 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c441t-a4f6b9f7aca2970750ca85f62636f30464945250e96ce8985643eb9f555fef313</citedby><cites>FETCH-LOGICAL-c441t-a4f6b9f7aca2970750ca85f62636f30464945250e96ce8985643eb9f555fef313</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jaridenv.2011.04.029$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,315,781,785,886,3551,27929,27930,46000</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=24469194$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.inrae.fr/hal-02645929$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Thiam, M.</creatorcontrib><creatorcontrib>Atteynine, S.A.</creatorcontrib><creatorcontrib>Traoré, S.</creatorcontrib><creatorcontrib>Duplantier, J.-M.</creatorcontrib><creatorcontrib>Maurel, D.</creatorcontrib><creatorcontrib>Sicard, B.</creatorcontrib><title>Capacity for water conservation in invasive ( Gerbillus nigeriae) and declining rodents ( Taterillus pygargus and Taterillus gracilis) that exhibit climate-induced distribution changes in Senegal</title><title>Journal of arid environments</title><description>Following the southward shift of rainfall isolines in the Sahel at the end of the 1960s,
Gerbillus nigeriae appeared in northern Senegal in the mid-1990s, and two resident Gerbillidae (
Taterillus pygargus and
Taterillus gracilis) subsequently declined. We investigated the causal role of the capacity to conserve water in such climate-related shifts in the distribution of these Gerbillidae by comparing the effects of a water-poor diet on the water-efflux rate (W
−out) of freshly trapped adults pre-acclimatized to a water-rich diet. During the 12-day period of water restriction in all species, 30–50% of individuals became hyperactive and showed greater weight loss and higher W
−out than the remaining inactive individuals. Such emergence of migratory strategists within populations could accelerate the expansion of
G. nigeriae. On a water-poor diet,
T. gracilis showed a lower capacity to conserve water (higher W
−out) than
T. pygargus and
G. nigeriae, in both inactive (W
−out = 44.5 ± 1.8 vs 29.6 ± 0.8 vs 27.4 ± 0.7 ml kg
−0.82.day
−1, respectively) and hyperactive individuals (W
−out = 60.4 ± 1 vs 45.4 ± 0.7 vs 44 ± 0.8 ml kg
−0.82.day
−1, respectively). We propose that the capacity to conserve water accounted for both expansion of
G. nigeriae and decline of
T. gracilis, whereas competition between
T. pygargus and
G. nigeriae could account for the decline of
T. pygargus.
► We compare the capacity for water conservation in three rodents along the south-north gradient of aridity (Senegal) [116]. ► One (native) declining species (
T. gracilis) showed the lower capacity for water conservation [102]. ► The other (native) declining species (
T. pygargus) showed similar capacities than the invasive species (
G. nigeriae) [124]. ► Rodents changes in Senegal depended on the expansion of xeric habitats and competition between native and invasive rodents [123].</description><subject>Adults</subject><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Aridity</subject><subject>Biological and medical sciences</subject><subject>Climate changes</subject><subject>Competition</subject><subject>Constrictions</subject><subject>Developmental plasticity</subject><subject>Diets</subject><subject>Emergence</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gerbillus</subject><subject>Inter-individual variability</subject><subject>Life Sciences</subject><subject>Mammalia</subject><subject>Population expansions</subject><subject>Rodents</subject><subject>Sahel</subject><subject>Synecology</subject><subject>Terrestrial ecosystems</subject><subject>Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution</subject><subject>Water conservation</subject><issn>0140-1963</issn><issn>1095-922X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqFksGO0zAQhiMEEmXhFZAviO0hxU5sJ76xqmAXqRIHFombNXUn6VRZp9hJlj4fL4ZDlxUnkCzZGn3z_7_Gk2WvBV8JLvS7w-oAgXbop1XBhVhxueKFeZItBDcqN0Xx7Wm24ELyXBhdPs9exHjgCVSqXGQ_13AER8OJNX1g9zBgYK73EcMEA_We0XwmiDQhu2TXGLbUdWNknloMBLhk4Hdsh64jT75loU9JhpjY21nsDB9PLYQ2PWb2r3obkndHccmGPQwMf-xpSwNLWncJysnvRodJneIQaDv-DuT24FuMc7Av6LGF7mX2rIEu4quH-yL7-vHD7fom33y-_rS-2uROSjHkIBu9NU0FDgpT8UpxB7VqdKFL3ZRcammkKhRHox3WplZalpgalFINNqUoL7LlWXcPnT2GlDGcbA9kb642dq7xQktlCjPN7Nszewz99xHjYO8oOuw68NiP0dbGCKUrUSfy8p-kqKpK6KIWPKH6jLrQxxiweUwhuJ13wR7sn12w8y5YLlMokxrfPHhAdNA1Abyj-NhdSKmNMDJx788cpjFOhMFGR-jTH1BAN9hdT_-z-gUIkNDN</recordid><startdate>20111101</startdate><enddate>20111101</enddate><creator>Thiam, M.</creator><creator>Atteynine, S.A.</creator><creator>Traoré, S.</creator><creator>Duplantier, J.-M.</creator><creator>Maurel, D.</creator><creator>Sicard, B.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SU</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope><scope>7QH</scope><scope>7SN</scope><scope>7ST</scope><scope>7TG</scope><scope>7U6</scope><scope>7UA</scope><scope>F1W</scope><scope>H96</scope><scope>KL.</scope><scope>L.G</scope><scope>SOI</scope><scope>1XC</scope></search><sort><creationdate>20111101</creationdate><title>Capacity for water conservation in invasive ( Gerbillus nigeriae) and declining rodents ( Taterillus pygargus and Taterillus gracilis) that exhibit climate-induced distribution changes in Senegal</title><author>Thiam, M. ; Atteynine, S.A. ; Traoré, S. ; Duplantier, J.-M. ; Maurel, D. ; Sicard, B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c441t-a4f6b9f7aca2970750ca85f62636f30464945250e96ce8985643eb9f555fef313</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Adults</topic><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Aridity</topic><topic>Biological and medical sciences</topic><topic>Climate changes</topic><topic>Competition</topic><topic>Constrictions</topic><topic>Developmental plasticity</topic><topic>Diets</topic><topic>Emergence</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Gerbillus</topic><topic>Inter-individual variability</topic><topic>Life Sciences</topic><topic>Mammalia</topic><topic>Population expansions</topic><topic>Rodents</topic><topic>Sahel</topic><topic>Synecology</topic><topic>Terrestrial ecosystems</topic><topic>Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution</topic><topic>Water conservation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Thiam, M.</creatorcontrib><creatorcontrib>Atteynine, S.A.</creatorcontrib><creatorcontrib>Traoré, S.</creatorcontrib><creatorcontrib>Duplantier, J.-M.</creatorcontrib><creatorcontrib>Maurel, D.</creatorcontrib><creatorcontrib>Sicard, B.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Environmental Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Aqualine</collection><collection>Ecology Abstracts</collection><collection>Environment Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Sustainability Science Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Environment Abstracts</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Journal of arid environments</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Thiam, M.</au><au>Atteynine, S.A.</au><au>Traoré, S.</au><au>Duplantier, J.-M.</au><au>Maurel, D.</au><au>Sicard, B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Capacity for water conservation in invasive ( Gerbillus nigeriae) and declining rodents ( Taterillus pygargus and Taterillus gracilis) that exhibit climate-induced distribution changes in Senegal</atitle><jtitle>Journal of arid environments</jtitle><date>2011-11-01</date><risdate>2011</risdate><volume>75</volume><issue>11</issue><spage>998</spage><epage>1007</epage><pages>998-1007</pages><issn>0140-1963</issn><eissn>1095-922X</eissn><coden>JAENDR</coden><abstract>Following the southward shift of rainfall isolines in the Sahel at the end of the 1960s,
Gerbillus nigeriae appeared in northern Senegal in the mid-1990s, and two resident Gerbillidae (
Taterillus pygargus and
Taterillus gracilis) subsequently declined. We investigated the causal role of the capacity to conserve water in such climate-related shifts in the distribution of these Gerbillidae by comparing the effects of a water-poor diet on the water-efflux rate (W
−out) of freshly trapped adults pre-acclimatized to a water-rich diet. During the 12-day period of water restriction in all species, 30–50% of individuals became hyperactive and showed greater weight loss and higher W
−out than the remaining inactive individuals. Such emergence of migratory strategists within populations could accelerate the expansion of
G. nigeriae. On a water-poor diet,
T. gracilis showed a lower capacity to conserve water (higher W
−out) than
T. pygargus and
G. nigeriae, in both inactive (W
−out = 44.5 ± 1.8 vs 29.6 ± 0.8 vs 27.4 ± 0.7 ml kg
−0.82.day
−1, respectively) and hyperactive individuals (W
−out = 60.4 ± 1 vs 45.4 ± 0.7 vs 44 ± 0.8 ml kg
−0.82.day
−1, respectively). We propose that the capacity to conserve water accounted for both expansion of
G. nigeriae and decline of
T. gracilis, whereas competition between
T. pygargus and
G. nigeriae could account for the decline of
T. pygargus.
► We compare the capacity for water conservation in three rodents along the south-north gradient of aridity (Senegal) [116]. ► One (native) declining species (
T. gracilis) showed the lower capacity for water conservation [102]. ► The other (native) declining species (
T. pygargus) showed similar capacities than the invasive species (
G. nigeriae) [124]. ► Rodents changes in Senegal depended on the expansion of xeric habitats and competition between native and invasive rodents [123].</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.jaridenv.2011.04.029</doi><tpages>10</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0140-1963 |
| ispartof | Journal of arid environments, 2011-11, Vol.75 (11), p.998-1007 |
| issn | 0140-1963 1095-922X |
| language | eng |
| recordid | cdi_hal_primary_oai_HAL_hal_02645929v1 |
| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Adults Animal and plant ecology Animal, plant and microbial ecology Aridity Biological and medical sciences Climate changes Competition Constrictions Developmental plasticity Diets Emergence Fundamental and applied biological sciences. Psychology Gerbillus Inter-individual variability Life Sciences Mammalia Population expansions Rodents Sahel Synecology Terrestrial ecosystems Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution Water conservation |
| title | Capacity for water conservation in invasive ( Gerbillus nigeriae) and declining rodents ( Taterillus pygargus and Taterillus gracilis) that exhibit climate-induced distribution changes in Senegal |
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