NDLI: Invasive pythons, not anthropogenic stressors, explain the distribution of a keystone species

Content Provider	Springer Nature Link
Author	Sovie, Adia R. McCleery, Robert A. Fletcher, Robert J. Hart, Kristen M.
Copyright Year	2016
Abstract	Untangling the causes of native species loss in human-modified systems is difficult and often controversial. Evaluating the impact of non-native species in these systems is particularly challenging, as additional human perturbations often precede or accompany introductions. One example is the ongoing debate over whether mammal declines within Everglades National Park (ENP) were caused by either the establishment of non-native Burmese pythons (Python molurus bivittatus) or the effects of other anthropogenic stressors. We examined the influence of both pythons and a host of alternative stressors—altered hydrology and habitat characteristics, mercury contamination and development—on the distribution of the marsh rabbit (Sylvilagus palustris), a once common mammal in ENP. Distance from the epicenter of the python invasion best explained marsh rabbit occurrence in suitable habitat patches, whereas none of the alternative stressors considered could explain marsh rabbit distribution. Estimates of the probability of marsh rabbit occurrence ranged from 0 at the python invasion epicenter to nearly 1.0 150 km from the invasion epicenter. These results support the hypothesis that invasive pythons shape the distribution of marsh rabbits in southern Florida. The loss of marsh rabbits and similar species will likely alter trophic interactions and ecosystem function within the Everglades, an internationally important hotspot of biodiversity. Further, our results suggest that non-native species can have profound impacts on mainland biodiversity.
Starting Page	3309
Ending Page	3318
Page Count	10
File Format	PDF
ISSN	13873547
Journal	Biological Invasions
Volume Number	18
Issue Number	11
e-ISSN	15731464
Language	English
Publisher	Springer International Publishing
Publisher Date	2016-07-09
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	North America Mammals Distribution modeling Python molurus bivittatus Sylvilagus palustris Ecology Freshwater & Marine Ecology Plant Sciences Developmental Biology
Content Type	Text
Resource Type	Article
Subject	Ecology Ecology, Evolution, Behavior and Systematics

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Cold weather and the potential range of invasive Burmese pythons

Identifying plausible scenarios for the establishment of invasive Burmese pythons (Python molurus) in Southern Florida

Can invasive Burmese pythons inhabit temperate regions of the southeastern United States?

Cold-induced mortality of invasive Burmese pythons in south Florida

What parts of the US mainland are climatically suitable for invasive alien pythons spreading from Everglades National Park?

Betrayal: radio-tagged Burmese pythons reveal locations of conspecifics in Everglades National Park

Accelerometry to study fine-scale activity of invasive Burmese pythons (Python bivittatus) in the wild

Data from: Indirect effects of invasive Burmese pythons on ecosystems in southern Florida (Dataset)

Data from: Homing of invasive Burmese pythons in South Florida: evidence for map and compass senses in snakes (Dataset)

Invasive pythons, not anthropogenic stressors, explain the distribution of a keystone species

Similar Documents

Cold weather and the potential range of invasive Burmese pythons

Identifying plausible scenarios for the establishment of invasive Burmese pythons (Python molurus) in Southern Florida

Can invasive Burmese pythons inhabit temperate regions of the southeastern United States?

Cold-induced mortality of invasive Burmese pythons in south Florida

What parts of the US mainland are climatically suitable for invasive alien pythons spreading from Everglades National Park?

Betrayal: radio-tagged Burmese pythons reveal locations of conspecifics in Everglades National Park

Accelerometry to study fine-scale activity of invasive Burmese pythons (Python bivittatus) in the wild

Data from: Indirect effects of invasive Burmese pythons on ecosystems in southern Florida (Dataset)

Data from: Homing of invasive Burmese pythons in South Florida: evidence for map and compass senses in snakes (Dataset)

Invasive pythons, not anthropogenic stressors, explain the distribution of a keystone species