Selected Publications Grouped by Topics
Here's a representative list of publications from our lab grouped by topics.  When available, I have made linkes to download .pdf copies.



 

Community Ecology in the Everglades

Green, D., J. C. Trexler, J. Lorenz, C. McIvor, and T. Philippi. 2006. Spatial patterns of fish communities along two estuarine gradients in southern Florida. Hydrobiologia 569:387-399 [Click here to Download]

Williams, A. J., and J. C. Trexler. 2006. A preliminary analysis of the correlation of food-web characteristics with hydrology and nutrient gradients in the southern Everglades.  Hydrobiologia 569: 493-504 [Click here to Download]

Rehage, J. S., and J. C. Trexler. 2006. Assessing the Net Effect of Anthropogenic Disturbance on Aquatic Communities in Wetlands: Community Structure Relative to Distance From Canals. Hydrobiologia 569:359-373 [Click here to Download]

Liston, S. E. 2006. Interactions between nutrient availability and hydroperiod shape macroinvertebrate communities in Florida Everglades marshes. Hydrobiologia 569:343-357 [Click here to Download]

Dorn, N. J., J. C. Trexler, and E. E. Gaiser. 2006. Exploring the role of large predators in marsh food webs: evidence for a behaviorally-mediated trophic cascade.  Hydrobiologia 569:375-386 [Click here to Download]

Gaiser, E. E., D. L. Childers, R. D. Jones, J. H. Richards, L. J. Scinto and J. C. Trexler. 2006. Periphyton responses to eutrophication in the Florida Everglades: Cross-system patterns of structural and compositional change. Limnology and Oceanography 51:617-630 [Click here to Download]

Liston, S. E., and J. C. Trexler. 2005. Spatial and temporal scaling of macroinvertebrate communities inhabiting floating periphyton mats in the Florida Everglades.  Journal of the North American Benthological Society 24:832-844 [Click here to Download]

Trexler, J. C., W. F. Loftus, and S. Perry.  2005. Disturbance frequency and community structure in a twenty-five year intervention study. Oecologia 145:140-152  [Click here to Download now] electronic supplemental materials [Click here to Download now]

DeAngelis, D. L., J. C. Trexler, and W. F. Loftus.  2005. Life history trade-offs and community dynamics of small fishes in a seasonally pulsed wetland.  Canadian Journal of Fisheries and Aquatic Sci. 62:781-790 [Click here to Download now]

Dorn, N. J., R. Urgelles, and J. C. Trexler.  2005. Evaluating active and passive sampling methods to quantify crayfish density in a freshwater marsh. Journal of the North American Benthological Society 24:346-356 [Click here to Download now]

Ruetz, C. R., III, J. C. Trexler, F. Jordan, W. F. Loftus, and S. A. Perry.  2005. Population dynamics of wetland fishes: Spatiotemporal patterns shaped by hydrological disturbance?  Journal of Animal Ecology 74:322-332 [Click here to Download now]

Gaiser, E. E., J. C. Trexler, J. H. Richards, D. L. Childers, D. Lee, A. L. Edwards, L. J. Scinto, K. Jayachandran, G. B. Noe, R. D. Jones.  2005. Exposure to above-ambient phosphorus causes ecosystem state change in the Everglades.  Journal of Environmental Quality 34: 717-723 [Click here to Download now]

Chick, J. H., C. R. Ruetz III, and J. C. Trexler.  2004.  Spatial scale and abundance patterns of large fish communities in freshwater marshes of the Florida Everglades.  Wetlands 24:652-664 [Click here to Download now]

Wolski, L. F., J. C. Trexler, E. B. Nelson, T. Philippi, and S. A. Perry.  2004. Assessing visitor impacts from long-term sampling of wetland communities in the Everglades.  Freshwater Biology 49:1381-1390 [Click here to Download now]

Kobza, R. M., J. C. Trexler, W. F. Loftus, and S. A. Perry. 2004. Community structure of fishes inhabiting aquatic refuges in a threatened karstic wetland and its implication for ecosystem management.  Biological Conservation, 116:153-165  [Click here to Download now]

Geddes, P., and J. C. Trexler. 2003. Uncoupling of omnivore-mediated positive and negative effects on periphyton mats.  Oecologia 136:585-595. [Click here to Download now]

McElroy, T. C., L. L. Kandl, J. Garcia and J. C. Trexler.  2003. Extinction-colonization dynamics structure genetic variation of spotted sunfish (Lepomis punctatus) in the Florida Everglades.  Molecular Ecology 12:355-368. [Click here to Download now]

Trexler, J. C., W. F. Loftus, and J. Chick. 2003. Setting and monitoring restoration goals in the absence of historical data: The case of fishes in the Florida Everglades, pp 351-376. In D. Busch and J. C. Trexler. Monitoring Ecoregional Initiatives: Interdisciplinary Approaches for Determining Status and Trends of Ecosystems.  Island Press [Click here to Download now]

Taylor, R. C., J. C. Trexler, and W. F. Loftus. 2001. Separating the effects of intra- and interspecific age-structured interactions in an experimental fish assemblage.  Oecologia 127: 143-152.  [Click here to Download now]

Trexler, J. C., W. F. Loftus, F. Jordan, J. Lorenz, J. Chick, and R. M. Kobza. 2001. Empirical assessment of fish introductions in a subtropical wetland: an evaluation of contrasting views.  Biological Invasions 2:265-277. [Click here to Download now]

Trexler, J. C., W. F. Loftus, C. F. Jordan, J. Chick, K. L. Kandl, T. C. McElroy, and O. L. Bass.  2001. Ecological scale and its implications for freshwater fishes in the Florida Everglades.  Pp. 153 – 181, in  J. W. Porter and K. G. Porter (eds.) The Everglades, Florida Bay, and Coral Reefs of the Florida Keys: An Ecosystem Sourcebook. CRC, Boca Raton.  (Watch out, a big file... about 5 Megs).   [Click here to Download now]

Turner, A. M., J. C. Trexler, F. Jordan, S. J. Slack, P. Geddes, and W. Loftus. 1999. Targeting ecosystem features for conservation: Standing crops in the Florida Everglades.  Conservation Biology 13:898-911. [Click here to Download now]

Chick, J. H., S. Coyne, and J. C. Trexler. 1999. Effectiveness of airboat electrofishing for sampling fishes in shallow vegetated habitats. North American Journal of Fisheries Management 19:957-967

Jordan, C. F., S. Coyne, and J. C. Trexler. 1997. Sampling fishes in heavily vegetated habitats: the effects of habitat structure on sampling characteristics of the 1-m2 throw trap. Transactions of the American Fisheries Society 126:1012-1020.  [Click here to Download now]

Turner, A., and J. C. Trexler. 1997. Sampling invertebrates from the Florida Everglades: a comparison of alternative methods. Journal of the North American Benthological Society 16:694-709
 
 

Top left: Throw-trap sampling in the Water Conservation Area 3A; Top right: One of three flumes used to study effects of phosphorus additions in the Everglades National Park; Bottom left: a Florida gar collected by airboat-mounted electorfishing; Bottom right: cages used to study biotic interactions in the Everlgades food web.

 
 

Some other publications on environmental management

Collins, T., J. C.  Trexler, L. G. Nico, and T. Rawlings. 2002. Genetic diversity in a morphologically conservative invasive taxon: Multiple swamp eel introductions in the southeastern United States.  Conservation Biology 16:1024-1035.  [Click here to Download now]

Trexler, J. C., and J. Travis. 2000. Can marine protected areas conserve stock attributes? Bulletin of Marine Science 66:853-873 [Click here to Download now]

Trexler, J. C. 1995. Restoration of the Kissimmee River: A conceptual model of past and present fish communities and its consequences for evaluating restoration success. Restoration Ecology 3:195-210 [Click here to Download]
 
 
 

Recently Published
Busch, D. E. and J. C. Trexler  (Editors) 2003. Monitoring Ecosystems: Interdisciplinary approaches for evaluating ecoregional initiatives. 
Island Press.  Click here for order form

 
 

Some papers by my graduate students

Liston, S. E. Interactions between nutrient availability and hydroperiod shape macroinvertebrate communities in Florida Everglades marshes. Hydrobiologia, In press

Green, D., J. C. Trexler, J. Lorenz, C. McIvor, and T. Philippi.  Spatial patterns of fish communities along two estuarine gradients in southern Florida. Hydrobiologia, In press

Williams, A. J., and J. C. Trexler. A preliminary analysis of the correlation of food-web characteristics with hydrology and nutrient gradients in the southern Everglades.  Hydrobiologia, in press

Liston, S. E., and J. C. Trexler. 2005. Spatial and temporal scaling of macroinvertebrate communities inhabiting floating periphyton mats in the Florida Everglades.  Journal of the North American Benthological Society 24:832-844 [Click here to Download]

Kobza, R. M., J. C. Trexler, W. F. Loftus, and S. A. Perry. 2004. Community structure of fishes inhabiting aquatic refuges in a threatened karstic wetland and its implication for ecosystem management.  Biological Conservation, In press [Click here to go to pre-print download site]

Geddes, P., and J. C. Trexler. 2003. Uncoupling of omnivore-mediated positive and negative effects on periphyton mats.  Oecologia 136:585-595. [Click here to Download now]

Taylor, R. C., J. C. Trexler, and W. F. Loftus. 2001. Separating the effects of intra- and interspecific age-structured interactions in an experimental fish assemblage.  Oecologia 127: 143-152.  [Click here to Download now]

Turner, T. F. 2001. Comparative study of larval transport and gene flow in darters. Copeia 2001(3): 766-774.

Turner, T. F., J. C. Trexler, J. L. Harris, and J. L. Haynes. 2000. Nested cladistic analysis indicates population fragmentation shapes genetic diversity in a freshwater mussel. Genetics 154:777-785.  [Click here to Download now]

Schirripa, M. J., and J. C. Trexler. 2000. Effects of mortality and gear selectivity on the otolith radius total length relation.  Fisheries Research 46:83-89

Turner, T. F., and J. C. Trexler. 1998. Ecological and historical associations of gene flow in darters (Teleostei: Percidae). Evolution 52:1781-1801

Turner, T. F. 1997. Mitochondrial control region sequences and phylogenetic systematics of darters. Copeia 1997(2): 319-338.

Turner, T. F., J. C. Trexler, D. Kuhn, and H. Robison. 1996. Life history variation and comparative phylogeography of darters (Pisces:Percidae) from the North American central highlands. Evolution 50:2023-2036

Turner, T. F., J.C. Trexler, G.L. Miller, K. E. Toyer. 1994. Temporal and spatial dynamics of larval and juvenile fishes in a temperate floodplain river. Copeia 1994: 174-183.
 
 

Some work on analysis of foraging data.

Trexler, J. C., and J. Travis. 1993. Nontraditional regression analyses. Ecology 74:1629-1637.  [Click here to Download now]

Trexler, J. C., C. E. McCulloch, and J. Travis. 1988. How can the functional response best be determined? Oecologia 76:206-214. [Click here to Download]
 
 
 
 

Life history and ecology of sailfin mollies (Poecilia latipinna)
The following papers examine the biology of sailfin mollies, primarily exploring the mechanisms maintaining geographic variation in body size of male mollies. Individuals expressing the range of male size depicted to the right can be observed living together in many populations, but the frequency of the different sized males varies among populations. The variation among males in size primarily results from allelic variation of a single locus on the male sex chromosome that determines the timing of sexual maturation. Large males have different mating patterns than small males, and generally different demographic patterns, as revealed by our research. This has proven to be an interesting system to examine the balance between sexual selection and viability selection.

My most recent work with this system has been to examine factors involved in evolution of female reproductive investment.  We deterimined that female mollies display plasticity in the timing of their investment to a reproductive bout, potentially permitting an intermediate condition between lecithotrophy and matrotrophy.  Lecithotrophic development indicates embryos nourished by yolk (energy stored before fertilization), while matrotrophic development describes embryos receiving supplemental nourishment during development beyond the yolk reserves.  Livebearing fishes display a continuum of conditions from pure lecithotrophy to largely matrotophic nourishment.  Papers listed below provide field descriptions and laboratory experiments into the pattern of investment, and a model exploring aspects of the environmental conditions favoring matrotrophy or lecithotrophy (early or late energetic investment in individual offspring as a potential trade-off with commitment to some number of offspring).

Trexler, J. C., and D. L. DeAngelis. 2003.  Resource allocation in offspring provisioning: an evaluation of the conditions favoring the evolution of matrotrophy.  American Naturalist 165:574-585 [Click here to Download now]

Trexler, J. C. 1997. Resource availability and offspring provisioning: plasticity in embryo nourishment in sailfin mollies. Ecology 78:1370-1381 [Click here to Download now]

Trexler, J.C., J. Travis, and A. Dinep. 1997. Variation among populations of the sailfin molly in the rate of concurrent multiple paternity and its implications for mating-system evolution. Behavioral Ecology and Sociobiology 40:297-305

Trexler, J. C., R. C. Tempe, and J. Travis. 1994. Size-selective predation of sailfin mollies by two species of heron. Oikos 69:250-258

Trexler, J. C., J. Travis, and M. McManus.1992. Effects of habitat and body size on mortality rates of Poecilia latipinna. Ecology 73:2224-2236. [Click here to Download now]

Trexler, J. C., and J. Travis.1990.  Phenotypic plasticity in the sailfin molly (Pisces: Poeciliidae). I. Field experiment. Evolution 44:143-156. [Click here to Download now]

Trexler, J. C,, J. Travis, and M. Trexler. 1990. Phenotypic plasticity in the sailfin molly (Pisces: Poeciliidae).  II.  Laboratory experiments. Evolution 44:157-167. [Click here to Download now]

Trexler, J. C. 1989. Phenotypic plasticity in poeciliid life histories. In G. Meffe and F.F. Snelson, Jr. (eds.), Ecology and Evolution of Poeciliid Fishes. Prentice Hall, Englewood Cliffs, NJ

Trexler, J. C. 1988. Hierarchical organization of genetic variation in the sailfin molly, Poecilia latipinna (Pisces, Poeciliidae).  Evolution 42:1006-1017  [Click here to Download]
 
 

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