Incubation of alligator snapping turtle (Macrochelys temminckii) eggs in natural and agricultural soils

Incubation of alligator snapping turtle (Macrochelys temminckii) eggs in natural and agricultural... Incubation of alligator snapping turtle ( Macrochelys temminckii ) eggs in natural and agricultural soils R. Heath Rauschenberger 1 , Stanley E. Trauth 2 , Jerry L. Farris 3 1 Department of Physiological Sciences, University of Florida, P.O. Box 100144, Gainesville, FL 32610, USA e-mail: heath_rauschenberger@usgs.gov 2 Department of Biological Sciences, Arkansas State University, P.O. Box 599, State University, AR 72467, USA 3 Environmental Sciences Program, Arkansas State University, P.O. Box 847, State University, AR 72467, USA Abstract. Physicochemical properties of incubation substrates may affect embryonic growth, devel- opment, and sexual differentiation in oviparous species with temperature-dependent sex determina- tion. Thus, the physicochemical modiŽ cation of incubation substrates associated with anthropogenic activities may pose a risk to normal embryonic and hatchling development in the alligator snapping turtle ( Macrochelys temminckii ), an oviparous species with temperature-dependentsex determination. The present study evaluated the development of alligator snapping turtle embryos and hatchlings in- cubated in vermiculite, and in Tunica Soils Series from a natural nesting area and from a cotton farm. Differences between agricultural and natural soils included particle size composition, concentrations of phosphorus, nitrates (NO 3 ), magnesium, manganese, potassium, calcium, sodium, and copper con- centrations, salinity, and cation http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Herpetology Brill

Incubation of alligator snapping turtle (Macrochelys temminckii) eggs in natural and agricultural soils

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Publisher
Brill
Copyright
© 2003 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
1570-7539
eISSN
1570-7547
D.O.I.
10.1163/157075403323012241
Publisher site
See Article on Publisher Site

Abstract

Incubation of alligator snapping turtle ( Macrochelys temminckii ) eggs in natural and agricultural soils R. Heath Rauschenberger 1 , Stanley E. Trauth 2 , Jerry L. Farris 3 1 Department of Physiological Sciences, University of Florida, P.O. Box 100144, Gainesville, FL 32610, USA e-mail: heath_rauschenberger@usgs.gov 2 Department of Biological Sciences, Arkansas State University, P.O. Box 599, State University, AR 72467, USA 3 Environmental Sciences Program, Arkansas State University, P.O. Box 847, State University, AR 72467, USA Abstract. Physicochemical properties of incubation substrates may affect embryonic growth, devel- opment, and sexual differentiation in oviparous species with temperature-dependent sex determina- tion. Thus, the physicochemical modiŽ cation of incubation substrates associated with anthropogenic activities may pose a risk to normal embryonic and hatchling development in the alligator snapping turtle ( Macrochelys temminckii ), an oviparous species with temperature-dependentsex determination. The present study evaluated the development of alligator snapping turtle embryos and hatchlings in- cubated in vermiculite, and in Tunica Soils Series from a natural nesting area and from a cotton farm. Differences between agricultural and natural soils included particle size composition, concentrations of phosphorus, nitrates (NO 3 ), magnesium, manganese, potassium, calcium, sodium, and copper con- centrations, salinity, and cation

Journal

Applied HerpetologyBrill

Published: Jan 1, 2004

Keywords: ENVIRONMENTAL CONTAMINANTS; AGRICULTURE; MACROCHELYS TEMMINCKII; TURTLE; INCUBATION; EGG; ALLIGATOR SNAPPING TURTLE; REPTILE; DEVELOPMENT; SOIL

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