Seasonal influences on burrowing activity of a subterranean rodent, Thomomys bottae
2005; Wiley; Volume: 266; Issue: 3 Linguagem: Inglês
10.1017/s0952836905006941
ISSN1469-7998
AutoresStephanie S. Romañach, O. J. Reichman, Eric W. Seabloom,
Tópico(s)Animal Behavior and Reproduction
ResumoJournal of ZoologyVolume 266, Issue 3 p. 319-325 Full Access Seasonal influences on burrowing activity of a subterranean rodent, Thomomys bottae Stephanie S. Romañach, Corresponding Author Stephanie S. Romañach Department of Ecology, Evolution, and Marine Biology, University of California, Santa Barbara, CA 93106, U.S.A.All correspondence to current address: S. S. Romañach, Mpala Research Centre, P.O. Box 555, Nanyuki, Kenya. Email: [email protected]Search for more papers by this authorO. J. Reichman, O. J. Reichman Department of Ecology, Evolution, and Marine Biology, University of California, Santa Barbara, CA 93106, U.S.A.Search for more papers by this authorE. W. Seabloom, E. W. Seabloom National Center for Ecological Analysis and Synthesis, Santa Barbara, CA 93101, U.S.A.Search for more papers by this author Stephanie S. Romañach, Corresponding Author Stephanie S. Romañach Department of Ecology, Evolution, and Marine Biology, University of California, Santa Barbara, CA 93106, U.S.A.All correspondence to current address: S. S. Romañach, Mpala Research Centre, P.O. Box 555, Nanyuki, Kenya. Email: [email protected]Search for more papers by this authorO. J. Reichman, O. J. Reichman Department of Ecology, Evolution, and Marine Biology, University of California, Santa Barbara, CA 93106, U.S.A.Search for more papers by this authorE. W. Seabloom, E. W. Seabloom National Center for Ecological Analysis and Synthesis, Santa Barbara, CA 93101, U.S.A.Search for more papers by this author First published: 28 February 2006 https://doi.org/10.1017/S0952836905006941Citations: 18AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onEmailFacebookTwitterLinkedInRedditWechat Abstract While many animals respond to seasonal variation in their environment, animals such as pocket gophers Thomomys bottae that live below ground might seem to be buffered against such variation. In some areas, however, the patterns of burrowing activity by pocket gophers are tied to the seasons, one factor of which is rainfall. Variation in activity patterns may result from the ease of digging in moist soil or increased food availability during the wet season. Previous simulation modelling work suggests that food availability influences burrowing patterns, while soil conditions do not. Thus, field experiments were used to investigate how soil conditions and food availability influence seasonal burrowing activity. Results indicate that an increase in soil moisture initiates activity. After this initial increase in activity, mound production declines and reaches a steady rate, which can be supported by vegetation availability, in agreement with previous model results. Our findings support the idea that moist soil promotes a burst of digging activity, potentially for burrow maintenance when soil becomes easily workable, and the eventual growth of vegetation provides the food necessary to support continued activity. References Allain, R. (2002). Discovery of a megalosaur (Dinosauria, Theropoda) in the middle Bathonian of Normandy and its implications for the phylogeny of basal Tetanurae. J. Vertebr. Paleontol. 22: 548–563. Bidar, A., Demay, L. & Thomel, G. (1972). Compsognathus corallestris, nouvelle espèce de dinosaurien théropode du Portlandien de Canjuers. Ann. Mus. Hist. nat. Nice 1: 3–34. Bonnan, M. F. (2003). The evolution of manus shape in sauropod dinosaurs: implications for functional morphology, forelimb orientation, and phylogeny. J. Vertebr. Paleontol. 23: 595–613. Carpenter, K. (2002). Forelimb biomechanics of nonavian theropod dinosaurs in predation. Senckenb. Lethaea 82: 59–76. Carpenter, K. & Smith, M. (2001). Forelimb osteology and biomechanics of Tyrannosaurus rex. In Mesozoic vertebrate life: 90–116. D. H. Tanke & K. Carpenter (Eds). Bloomington : Indiana University Press. Carrano, M. T., Sampson, S. D. & Forster, C. A. (2002). Osteology of Masiakasaurus knopfleri, a small abelisauroid (Dinosauria: Theropoda) from the Late Cretaceous of Madagascar. J. Vertebr. Paleontol. 22: 510–534. Chure, D. J. (2001). The wrist of Allosaurus (Saurischia: Theropoda), with observations on the carpus in theropods. In New perspectives on the origin and early evolution of birds: 283–300. J. Gauthier & L. F. Gall (Eds). New Haven , CT : Yale Peabody Museum. Clark, J. A., Norell, M. A. & Makovicky, P. J. (2002). Cladistic approaches to the relationships of birds to other theropod dinosaurs. In Mesozoic birds, above the heads of the dinosaurs: 31–61. L. M. Chiappe & L. M. Witmer (Eds). Berkeley , CA : University of California Press. Colbert, E. R. (1989). The Triassic dinosaur Coelophysis. Mus. North. Ariz. Bull. 57: 1–174. Currie, P. J. & Carpenter, K. (2000). A new specimen of Acrocanthosaurus atokensis (Theropoda, Dinosauria) from the Lower Cretaceous Antlers Formation (Lower Cretaceous, Aptian) of Oklahoma, U.S.A. Geodiversitas 22: 207–246. Currie, P. J. & Zhao, X. (1993). A new carnosaur (Dinosauria, Theropoda) from the Jurassic of Xinjiang, People's Republic of China. Can. J. Earth Sci. 30: 2037–2081. Dal Sasso, C. & Signore, M. (1998). Exceptional soft tissue preservation in a theropod dinosaur from Italy. Nature (Lond.) 392: 383–387. Ewer, R. F. (1973). The carnivores. Ithaca : Cornell University Press. Farlow, J. O. (2001). Acrocanthosaurus and the maker of Comanchean large-theropod footprints. In Mesozoic vertebrate life: 408–427. D. H. Tanke & K. Carpenter (Eds). Bloomington : Indiana University Press. Galton, P. M. (1971). Manus movements of the coelurosaurian dinosaur Syntarsus rhodesiensis and the opposability of the theropod hallux [sic.]. Arnoldia (Rhodesia) 5: 1–8. Galton, P. M. (1990). Basal Sauropodomorpha – Prosauropods. In The Dinosauria: 320–344. D. B. Weishampel, P. Dodson & H. Osmólska (Eds). Berkeley , CA : University of California Press. Gishlick, A. D. (2001). The function of the manus and forelimb of Deinonychus antirrhopus and its importance for the origin of avian flight. In New perspectives on the origin and early evolution of birds: 301–318. J. Gauthier & L. F. Gall (Eds). New Haven , CT : Yale Peabody Museum. Glut, D. F. (1972). The dinosaur dictionary. Secaucus , NJ : Citadel Press. Harris, J. D. (1998). A reanalysis of Acrocanthosaurus atokensis, its phylogenetic status, and paleobiogeographic implications, based on a new specimen from Texas. New Mex. Mus. nat. Hist. Sci. Bull. 13: 1–75. Holliday, C. M., Ridgely, R. C., Sedlmayr, J. C. & Witmer, L. M. (2001). The articular cartilage of extant archosaur limb bones: implications for dinosaur functional morphology and allometry. J. Vertebr. Paleontol. 21: 62A. Holtz, T. R., Jr (1998). A new phylogeny of the carnivorous dinosaurs. Gaia 15: 5–61. Kobayashi, Y. & Lü, J. (2003). A new ornithomimid dinosaur with gregarious habits from the Late Cretaceous of China. Acta Palaeontol. Pol. 48: 235–259. Kobayashi, Y., Lü, J., Dong, Z., Barsbold, R., Azuma, Y. & Tomida, Y. (1999). Herbivorous diet in an ornithomimid dinosaur. Nature 402: 480–481. Madsen, J. H. (1976). Allosaurus fragilis: a revised osteology. Utah Geol. Surv. Bull. 109: 1–163. Nicholls, E. L. & Russell, A. P. (1985). Structure and function of the pectoral girdle and forelimb of Struthiomimus altus (Theropoda: Ornithomimidae). Palaeontology 28: 643–677. Novas, F. E. & Puerta, P. F. (1997). New evidence concerning avian origins from the Late Cretaceous of Patagonia. Nature (Lond.) 387: 390–392. Osborn, H. F. (1916). Skeletal adaptations in Ornitholestes, Struthiomimus, and Tyrannosaurus. Bull. Am. Mos. Nat. Hist. 35: 733–771. Osmólska, H. & Roniewicz, E. (1969). Deinocheiridae, a new family of theropod dinosaurs. Palaeontol. Pol. 27: 5–19. Osmólska, H., Roniewicz, E. & Barsbold, R. (1972). A new dinosaur Gallimimus bullatus n. gen. n. sp. (Ornithomimidae) from the Upper Cretaceous of Mongolia. Palaeontol. Pol. 27: 103–143. Ostrom, J. H. (1978). The osteology of Compsagnathus longipes Wagner. Zitteliana 4: 73–118. Russell, D. A. & Dong, Z. (1993). A nearly complete skeleton of a new troodontid dinosaur from the Early Cretaceous of the Ordos Basin, Inner Mongolia, People's Republic of China. Can. J. Earth Sci. 30: 2163–2173. Sereno, P. C. (1993). The pectoral girdle and forelimb of the basal theropod Herrerasaurus ischigualastensis. J. Vertebr. Paleontol. 13: 425–450. Sereno, P. C. (1999). The evolution of dinosaurs. Science 284: 2137–2147. Sereno, P. C., Dutheil, D. B., Iarochene, S. M., Larsson, H. C. E., Lyon, G. H., Magwene, P. M., Sidor, C. A., Varicchio, D. J. & Wilson, J. A. (1996). Late Cretaceous dinosaurs from the Sahara. Science 272: 986–991. Sternberg, C. M. (1933). A new Ornithomimus with complete abdominal cuirass. Can. Field Nat. 47: 79–83. Stovall, J. W. & Langston, W. L., Jr (1950). Acrocanthosaurus atokensis, a new genus and species of Lower Cretaceous Theropoda from Oklahoma. Am. Midl. Nat. 43: 696–728. Thomas, D. A. & Farlow, J. O. (2000). Tracking a dinosaur attack. In The Scientific American book of dinosaurs: 242–248. G. S. Paul (Ed.) New York : St Martin's Griffin. Tykoski, R. S., Forster, C. A., Rowe, T., Sampson, S. D. & Munyikwa, D. (2002). A furcula in the coelophysid theropod Syntarsus. J. Vertebr. Paleontol. 22: 728–733. Welles, S. P. (1984). Dilophosaurus wetherilli (Dinosauria, Theropoda). Osteology and comparisons. Palaeontogr. Abt. A Palaeozool.-Stratigr. 185: 85–180. Xu, X., Zhou, Z., Wang, X., Kuang, X., Zhang, F. & Du, F. (2003). Four-winged dinosaurs from China. Nature (Lond.) 421: 335–340. Zar, J. H. (1998). Biostatistical analysis. 4th edn. Upper Saddle River , NJ : Prentice Hall. Citing Literature Volume266, Issue3July 2005Pages 319-325 ReferencesRelatedInformation
Referência(s)