NDLI: Structure of everglades alligator holes

Content Provider	Springer Nature Link
Author	Palmer, Michelle L. Mazzotti, Frank J.
Copyright Year	2004
Abstract	Alligators create disturbance patches within the Everglades, but little is known about spatial and temporal variation in alligator holes throughout this ecosystem. Forty-eight alligator holes in Water Conservation Area 3 of the central Everglades were sampled to assess variation in morphology and vegetation and to identify landscape- and habitat-level features that correlate to alligator-hole variation. Field observations and plant community ordination suggested three distinct categories of alligator holes: holes containing shrub/tree species (shrub holes), holes surrounded by marsh (marsh holes), and holes dominated by cattails (cattail holes). Shrub holes were the most species-rich and diverse of the three types. All alligator holes except for cattail holes contained a greater richness of vascular plants than the surrounding marsh. Cattail holes were deeper than shrub or marsh holes, and all holes were deeper than surrounding marsh. Major landscape features that may influence structure of alligator holes seem to be distance from canals and surrounding marsh vegetation matrix. Alligator holes increase spatial heterogeneity, influence plant community composition and structure, and increase biological diversity. Restoration and management plans for the Everglades ecosystem should ensure that this landscape feature is perpetuated.
Starting Page	115
Ending Page	122
Page Count	8
File Format	PDF
ISSN	02775212
Journal	Wetlands
Volume Number	24
Issue Number	1
e-ISSN	19436246
Language	English
Publisher	Springer Netherlands
Publisher Date	2004-01-01
Publisher Institution	Society of Wetland Scientists
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Everglades alligators alligator holes plant communities biological diversity ecosystem engineer Freshwater & Marine Ecology Environmental Management Ecology Hydrogeology Coastal Sciences Landscape Ecology
Content Type	Text
Resource Type	Article
Subject	Ecology Environmental Chemistry

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