A crayfish survey of the fishing creek watershed in northeastern Pennsylvania suggests widespread prevalence of a nonindigenous species and the absence of a native congener

Introduction of nonindigenous crayfish species impacts freshwater ecosystems and can result in displacement of native crayfish. The crayfish Orconectes limosus and Cambarus bartonii are native to the Susquehanna River drainage in Pennsylvania. However, several nonindigenous crayfish have become esta...

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Veröffentlicht in:	Journal of the Pennsylvania Academy of Science. - Pennsylvania Academy of Science, 1988. - 91(2017), 1, Seite 1-10
1. Verfasser:	Hartzell, Sean M. (VerfasserIn)
Weitere Verfasser:	Rier, Steven T.
Format:	Online-Aufsatz
Sprache:	English
Veröffentlicht:	2017
Zugriff auf das übergeordnete Werk:	Journal of the Pennsylvania Academy of Science
Schlagworte:	crayfish Pennsylvania nonindigenous distribution Orconectes limosus Orconectes obscurus Cambarus bartonii Physical sciences Biological sciences Social sciences Applied sciences


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100	1		\|a Hartzell, Sean M. \|e verfasserin \|4 aut
245	1	2	\|a A crayfish survey of the fishing creek watershed in northeastern Pennsylvania suggests widespread prevalence of a nonindigenous species and the absence of a native congener
264		1	\|c 2017
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520			\|a Introduction of nonindigenous crayfish species impacts freshwater ecosystems and can result in displacement of native crayfish. The crayfish Orconectes limosus and Cambarus bartonii are native to the Susquehanna River drainage in Pennsylvania. However, several nonindigenous crayfish have become established in this drainage. No comprehensive survey exists on crayfish species within the Fishing Creek watershed. Historic records report O. limosus and C. bartonii in this watershed; however, recent point surveys have documented the presence of the nonindigenous crayfish O. obscurus. We sampled crayfish in 15 sites from the lower reaches of Fishing Creek through its headwaters and major tributaries. We collected a total of 484 crayfish, representing the species O. obscurus and C. bartonii. We found O. obscurus within much of Fishing Creek and some tributaries, but absent from the upper reaches of the watershed, possibly due to a series of dams. C. bartonii were primarily found in the upper portions of the Fishing Creek watershed, but also found at low abundance with O. obscurus in the central portions of the watershed and in a small, first order tributary. We collected no O. limosus specimens in our samples, suggesting local extirpation via displacement by O. obscurus, as has been reported elsewhere.
540			\|a Copyright © 2017 by The Pennsylvania State University. All rights reserved. No copies may be made without the written permission of the publisher.
650		4	\|a crayfish
650		4	\|a Pennsylvania
650		4	\|a nonindigenous
650		4	\|a distribution
650		4	\|a Orconectes limosus
650		4	\|a Orconectes obscurus
650		4	\|a Cambarus bartonii
650		4	\|a Physical sciences \|x Earth sciences \|x Geography \|x Geomorphology \|x Bodies of water \|x Rivers \|x Creeks
650		4	\|a Biological sciences \|x Biology \|x Zoology \|x Animals \|x Invertebrates \|x Aquatic invertebrates \|x Aquatic arthropods \|x Crustaceans \|x Crayfish
650		4	\|a Physical sciences \|x Earth sciences \|x Geography \|x Geomorphology \|x Geologic provinces \|x Structural basins \|x Watersheds
650		4	\|a Physical sciences \|x Earth sciences \|x Hydrology \|x Limnology \|x Surface water \|x Streams
650		4	\|a Physical sciences \|x Earth sciences \|x Hydrology \|x Tributaries
650		4	\|a Social sciences \|x Human geography \|x Political geography \|x Metropolitan areas \|x Towns
650		4	\|a Biological sciences \|x Ecology \|x Animal ecology \|x Habitat preferences
650		4	\|a Biological sciences \|x Biology \|x Biological taxonomies \|x Species
650		4	\|a Biological sciences \|x Ecology \|x Population ecology \|x Synecology \|x Habitats \|x Aquatic habitats
650		4	\|a Applied sciences \|x Engineering \|x Civil engineering \|x Hydraulic structures \|x Dams
650		4	\|a Physical sciences \|x Earth sciences \|x Geography \|x Geomorphology \|x Bodies of water \|x Rivers \|x Creeks
650		4	\|a Biological sciences \|x Biology \|x Zoology \|x Animals \|x Invertebrates \|x Aquatic invertebrates \|x Aquatic arthropods \|x Crustaceans \|x Crayfish
650		4	\|a Physical sciences \|x Earth sciences \|x Geography \|x Geomorphology \|x Geologic provinces \|x Structural basins \|x Watersheds
650		4	\|a Physical sciences \|x Earth sciences \|x Hydrology \|x Limnology \|x Surface water \|x Streams
650		4	\|a Physical sciences \|x Earth sciences \|x Hydrology \|x Tributaries
650		4	\|a Social sciences \|x Human geography \|x Political geography \|x Metropolitan areas \|x Towns
650		4	\|a Biological sciences \|x Ecology \|x Animal ecology \|x Habitat preferences
650		4	\|a Biological sciences \|x Biology \|x Biological taxonomies \|x Species
650		4	\|a Biological sciences \|x Ecology \|x Population ecology \|x Synecology \|x Habitats \|x Aquatic habitats
650		4	\|a Applied sciences \|x Engineering \|x Civil engineering \|x Hydraulic structures \|x Dams
655		4	\|a research-article
700	1		\|a Rier, Steven T. \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Journal of the Pennsylvania Academy of Science \|d Pennsylvania Academy of Science, 1988 \|g 91(2017), 1, Seite 1-10 \|w (DE-627)1009386530 \|w (DE-600)2915070-X \|x 24751898 \|7 nnns
773	1	8	\|g volume:91 \|g year:2017 \|g number:1 \|g pages:1-10
856	4	0	\|u https://www.jstor.org/stable/10.5325/jpennacadscie.91.1.0001 \|3 Volltext
856	4	0	\|u https://doi.org/10.5325/jpennacadscie.91.1.0001 \|3 Volltext
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