Zobrazeno 1 - 10 of 50 pro vyhledávání: '"Richard M Lehtinen"'
1
Akademický článek
Cryptic, Sympatric Diversity in Tegu Lizards of the Tupinambis teguixin Group (Squamata, Sauria, Teiidae) and the Description of Three New Species.
Autor: John C Murphy, Michael J Jowers, Richard M Lehtinen, Stevland P Charles, Guarino R Colli, Ayrton K Peres, Catriona R Hendry, R Alexander Pyron
Publikováno v: PLoS ONE, Vol 11, Iss 8, p e0158542 (2016)
Tegus of the genera Tupinambis and Salvator are the largest Neotropical lizards and the most exploited clade of Neotropical reptiles. For three decades more than 34 million tegu skins were in trade, about 1.02 million per year. The genus Tupinambis i
Externí odkaz: https://doaj.org/article/56e51a53564f4aa5a3ab407590783b05
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2
Akademický článek
Parentage of overlapping offspring of an arboreal-breeding frog with no nest defense: implications for nest site selection and reproductive strategy.
Autor: Wan-Ping Tung, Yi-Huey Chen, Wei-Chun Cheng, Ming-Feng Chuang, Wan-Tso Hsu, Yeong-Choy Kam, Richard M Lehtinen
Publikováno v: PLoS ONE, Vol 10, Iss 4, p e0123221 (2015)
Overlapping offspring occurs when eggs are laid in a nest containing offspring from earlier reproduction. Earlier studies showed that the parentage is not always obvious due to difficulties in field observation and/or alternative breeding tactics. To
Externí odkaz: https://doaj.org/article/d0fecb8e8bd14b739bf58ff57f2c718e
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4
Akademický článek
The Genetic Basis of Melanism in Abert’s Squirrel (Sciurus aberti)
Autor: Lake H. Barrett, Dean Fraga, Richard M. Lehtinen
Publikováno v: Animals, Vol 14, Iss 4, p 648 (2024)
Melanism is widespread in different taxa and has been hypothesized to provide adaptive benefits in certain environments. Melanism is typically caused by mutations in one of two regulatory genes: the Melanocortin 1 Receptor (MC1R) or the Agouti Signal
Externí odkaz: https://doaj.org/article/3892e9ccc18248439b83eab1c9d4c358
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5
Akademický článek
Empirical Evidence for the Rescue Effect from a Natural Microcosm
Autor: Richard M. Lehtinen
Publikováno v: Animals, Vol 13, Iss 12, p 1907 (2023)
Ecological theory predicts that populations which receive immigrants are less vulnerable to extinction than those that do not receive immigrants (the “rescue effect”). A parallel but opposite process may also exist, where emigration increases the
Externí odkaz: https://doaj.org/article/7afd9605b20b46f49cb0167b6813e2e4
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8
Is second-growth rainforest good enough? Going beyond community composition
Autor: Nathan G. Weltman, Mackenzie N. Kellar, Linnea L. Johnson, Richard M. Lehtinen, Christopher W. Gumpper, Keara Weiss
Publikováno v: Biodiversity and Conservation. 30:781-796
Tropical rainforests are the most biodiverse terrestrial ecosystems on the planet. Since so much old-growth rainforest continues to be destroyed, much effort has gone into understanding the conservation value of second-growth rainforests. However, th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::41d9c8246bac4ce4f065a82c5bc7172e
https://doi.org/10.1007/s10531-021-02117-7
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10
Dispatches from the neighborhood watch: Using citizen science and field survey data to document color morph frequency in space and time
Autor: Alyssa R. Hamm, Weston J. Gray, Richard M. Lehtinen, Alexis G. Riley, Maria M. Mullin, Brian M. Carlson
Publikováno v: Ecology and Evolution
Ecology and Evolution, Vol 10, Iss 3, Pp 1526-1538 (2020)
Heritable color polymorphisms have a long history of study in evolutionary biology, though they are less frequently examined today than in the past. These systems, where multiple discrete, visually identifiable color phenotypes co‐occur in the same
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::45b4245d60d4dbf4c77f796be05ee487
http://europepmc.org/articles/PMC7029058
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