David P. Kochan

ORCID: 0000-0002-3643-3516
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About
Contact & Profiles
Research Areas
  • Coral and Marine Ecosystems Studies
  • Marine and fisheries research
  • Marine and coastal plant biology
  • Ecology and Vegetation Dynamics Studies
  • Species Distribution and Climate Change
  • Marine animal studies overview
  • Plant and animal studies
  • Ichthyology and Marine Biology
  • Marine Bivalve and Aquaculture Studies
  • Animal Behavior and Reproduction
  • Coastal and Marine Management
  • Coastal wetland ecosystem dynamics

Florida International University
2021-2025

University of North Carolina at Chapel Hill
2021

Abstract Coral reef fishes perform essential and well‐documented ecological functions on reefs, but also contribute important geo‐ecological functions, which influence carbonate cycling regimes. These include framework modification (through bioerosion breakage), the production, reworking, transport of reefal sediments. To explore how these vary across reefs regions, we compiled a dataset available taxa‐specific function rates applied to fish census data from sites in Pacific Ocean (PO),...

10.1002/ecs2.4288 article EN cc-by Ecosphere 2022-12-01

Anthropogenic stressors are causing widespread coral mortality, leading to loss of cover and decreased structural complexity that threatens reef biodiversity, functioning, ecosystem services. Reef fishes intimately linked complexity, but we lack a generic understanding which species particularly affected by flattening what traits make them susceptible. We used extensive species‐ trait‐based analyses build framework for western Atlantic fish association with both better understand the...

10.1111/oik.10011 article EN Oikos 2023-09-06

Abstract Coral reef fish assemblages are threatened globally, underscoring the need for data‐driven management to reduce threats and restore populations. Comparing fishery approaches is aided by a detailed understanding of key factors controlling species’ abundances. The aims this study were assess importance biophysical compared with fishing impacts on biomass fishes Florida’s Reef evaluate potential effects common interventions biomass. Fishing impact was estimated using...

10.1002/aqc.3921 article EN cc-by-nc Aquatic Conservation Marine and Freshwater Ecosystems 2023-02-27

The habitat preferences of many reef fishes are well established, but the use space within these habitats by non-site-attached species is poorly studied. authors examined a functionally important mesopredator, graysby (Cephalopholis cruentata), on six patch reefs in Florida Keys. A 1 m2 -scale grid was constructed each and 16 individual C. cruentata were tracked diurnally situ to identify use. At scale, larger more active had observed home ranges, although ranges also affected fish density...

10.1111/jfb.15006 article EN Journal of Fish Biology 2022-01-31

Parrotfishes are a functionally critical component of Caribbean reef fish assemblages, with large-bodied parrotfish species exerting particularly important top-down control on macroalgae. Despite their importance, low biomasses parrotfishes many reefs hamper our ability to study and understand ecology. Florida reefs, where most fishing has been illegal since 1992, present unique opportunity explore covariates distribution. Using boosted regression tree models 23 covariates, this identified...

10.1111/jfb.15557 article EN Journal of Fish Biology 2023-09-08
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