Kenneth L. Heck
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View article: Temperature Drives Seagrass Recovery Across the Western North Atlantic
Temperature Drives Seagrass Recovery Across the Western North Atlantic Open
Climate‐driven shifts in herbivores, temperature, and nutrient runoff threaten coastal ecosystem resilience. However, ecological resilience, particularly for foundation species, remains poorly understood due to the scarcity of field experi…
View article: Mapping Seagrass Distribution and Abundance: Comparing Areal Cover and Biomass Estimates Between Space-Based and Airborne Imagery
Mapping Seagrass Distribution and Abundance: Comparing Areal Cover and Biomass Estimates Between Space-Based and Airborne Imagery Open
This study evaluated the effectiveness of Planet satellite imagery in mapping seagrass coverage in Santa Rosa Sound, Florida. We compared very-high-resolution aerial imagery (0.3 m) collected in September 2022 with high-resolution Planet i…
View article: Temperature drives seagrass recovery across the Western North Atlantic
Temperature drives seagrass recovery across the Western North Atlantic Open
Climate-driven shifts in herbivores, temperature and nutrient runoff threaten coastal ecosystem resilience. However, our understanding of ecological resilience, particularly for foundation species, remains limited due to a rarity of field …
View article: Microbiomes of Thalassia testudinum throughout the Atlantic Ocean, Caribbean Sea, and Gulf of Mexico are influenced by site and region while maintaining a core microbiome
Microbiomes of Thalassia testudinum throughout the Atlantic Ocean, Caribbean Sea, and Gulf of Mexico are influenced by site and region while maintaining a core microbiome Open
Plant microbiomes are known to serve several important functions for their host, and it is therefore important to understand their composition as well as the factors that may influence these microbial communities. The microbiome of Thalass…
View article: The Dynamics of Seagrass Ecosystems: History, Past Accomplishments, and Future Prospects
The Dynamics of Seagrass Ecosystems: History, Past Accomplishments, and Future Prospects Open
The goal of this perspective is to review how seagrass research has evolved over the past half century to our current state of knowledge. We review how our knowledge of seagrass ecosystems changed from the pre-1970s when so little was know…
View article: Effects of varying types and amounts of herbivory and nutrient enrichment on a tropicalizing seagrass meadow
Effects of varying types and amounts of herbivory and nutrient enrichment on a tropicalizing seagrass meadow Open
Climate change is impacting marine ecosystem community dynamics on a global scale. While many have assessed direct effects of climate change, indirect effects on marine ecosystems produced by biotic interactions remain poorly understood. F…
View article: Editorial: Tropicalization in seagrasses: Shifts in ecosystem function
Editorial: Tropicalization in seagrasses: Shifts in ecosystem function Open
Seagrass meadows form highly productive and diverse ecosystems that provide a range of ecosystem services along coasts of most continents (Barbier et al., 2011; Nordlund et al., 2016), yet they continue to experience large losses through d…
View article: Ten years of Gulf Coast ecosystem restoration projects since the <i>Deepwater Horizon</i> oil spill
Ten years of Gulf Coast ecosystem restoration projects since the <i>Deepwater Horizon</i> oil spill Open
A decade since coastal restoration began across U.S. Gulf of Mexico states after the Deepwater Horizon oil spill, it is timely to examine its collective effects relative to intended outcomes. Through 2021, allocated funds for 570 projects …
View article: Biodiversity influences the effects of oil disturbance on coastal ecosystems
Biodiversity influences the effects of oil disturbance on coastal ecosystems Open
Biodiversity can enhance the response of ecosystems to disturbance. However, whether diversity can reduce the ecological effect of human‐induced novel and extreme disturbances is unclear. In April 2010, the Deepwater Horizon ( DwH ) platfo…
View article: Response of Coastal Fishes to the Gulf of Mexico Oil Disaster
Response of Coastal Fishes to the Gulf of Mexico Oil Disaster Open
The ecosystem-level impacts of the Deepwater Horizon disaster have been largely unpredictable due to the unique setting and magnitude of this spill. We used a five-year (2006–2010) data set within the oil-affected region to explore acute c…
View article: Spatiotemporal Dynamics of Mediterranean Shallow Coastal Fish Communities along a Gradient of Marine Protection
Spatiotemporal Dynamics of Mediterranean Shallow Coastal Fish Communities along a Gradient of Marine Protection Open
The importance of habitat factors in designing marine reserves and evaluating their performance over time has been regularly documented. Over three biennial sampling periods, we examined the effects of vegetated coverage and habitat divers…
View article: Will the Florida Big Bend Area Become the Next Gulf of Mexico Reef Tract?
Will the Florida Big Bend Area Become the Next Gulf of Mexico Reef Tract? Open
OPINION article Front. Mar. Sci., 19 May 2020Sec. Coral Reef Research Volume 7 - 2020 | https://doi.org/10.3389/fmars.2020.00334
View article: Light data collected from loggers deployed at the Thalassia Experimental Network (TEN) sites in the Western Atlantic from 2018-2019
Light data collected from loggers deployed at the Thalassia Experimental Network (TEN) sites in the Western Atlantic from 2018-2019 Open
Light data collected from loggers deployed at the Thalassia Experimental Network (TEN) sites in the Western Atlantic from 2018-2019.
View article: Tropicalization of the barrier islands of the northern Gulf of Mexico: A comparison of herbivory and decomposition rates between smooth cordgrass (Spartina alterniflora) and black mangrove (Avicennia germinans)
Tropicalization of the barrier islands of the northern Gulf of Mexico: A comparison of herbivory and decomposition rates between smooth cordgrass (Spartina alterniflora) and black mangrove (Avicennia germinans) Open
The expansion of black mangrove Avicennia germinans into historically smooth cordgrass Spartina alterniflora-dominated marshes with warming temperatures heralds the migration of the marsh-mangrove ecotone northward in the northern Gulf of …
View article: Factors driving waterfowl feeding preferences and foraging impacts on submerged aquatic vegetation ecosystems
Factors driving waterfowl feeding preferences and foraging impacts on submerged aquatic vegetation ecosystems Open
Event Abstract Back to Event Factors driving waterfowl feeding preferences and foraging impacts on submerged aquatic vegetation ecosystems Candela Marco-Méndez1*, Luis Miguel Ferrero-Vicente2, Patricia Prado3, José L. Sánchez Lizaso2, Carl…
View article: Seagrass Ecosystems: A career-long quest to understand their inner workings
Seagrass Ecosystems: A career-long quest to understand their inner workings Open
Four decades of research findings associates on the ecology of seagrasses and their animal and plant associates are described here, along with some of the major changes and advances that have taken place in our understanding of the inner w…
View article: Ecological interactions between Gulf of Mexico snappers (Teleostei: Lutjanidae) and invasive red lionfish (Pterois volitans)
Ecological interactions between Gulf of Mexico snappers (Teleostei: Lutjanidae) and invasive red lionfish (Pterois volitans) Open
Indo-Pacific red lionfish (Pterois volitans) have invaded the western Atlantic, and most recently the northern Gulf of Mexico (nGOM), at a rapid pace. Given their generalist habitat affinities and diet, and strong ecological overlap with m…
View article: Effects of oil exposure, plant species composition, and plant genotypic diversity on salt marsh and mangrove assemblages
Effects of oil exposure, plant species composition, and plant genotypic diversity on salt marsh and mangrove assemblages Open
Climate change is causing shifts in the distribution and abundance of many species. Because species vary in the rate and degree of these shifts, novel transition zones have developed where new combinations of species overlap. If climate‐me…
View article: Lack of Impact of Posidonia oceanica Leaf Nutrient Enrichment on Sarpa salpa Herbivory: Additional Evidence for the Generalist Consumer Behavior of This Cornerstone Mediterranean Herbivore
Lack of Impact of Posidonia oceanica Leaf Nutrient Enrichment on Sarpa salpa Herbivory: Additional Evidence for the Generalist Consumer Behavior of This Cornerstone Mediterranean Herbivore Open
The fish Sarpa salpa (L.) is one of the main macroherbivores in the western Mediterranean. Through direct and indirect mechanisms, this herbivore can exert significant control on the structure and functional dynamics of seagrass beds and m…
View article: Accelerating Tropicalization and the Transformation of Temperate Seagrass Meadows
Accelerating Tropicalization and the Transformation of Temperate Seagrass Meadows Open
Climate-driven changes are altering production and functioning of biotic assemblages in terrestrial and aquatic environments. In temperate coastal waters, rising sea temperatures, warm water anomalies and poleward shifts in the distributio…
View article: Effects of Shoreline Dynamics on Saltmarsh Vegetation
Effects of Shoreline Dynamics on Saltmarsh Vegetation Open
We evaluated the impact of shoreline dynamics on fringing vegetation density at mid- and low-marsh elevations at a high-energy site in the northern Gulf of Mexico. Particularly, we selected eight unprotected shoreline stretches (75 m each)…
View article: Do restored oyster reefs benefit seagrasses? An experimental study in the Northern Gulf of Mexico
Do restored oyster reefs benefit seagrasses? An experimental study in the Northern Gulf of Mexico Open
Oyster reefs and seagrass beds are being lost worldwide at alarming rates. These habitats provide many services to humankind and, thus, much effort has been dedicated to their restoration. Here, we examine the efficacy of created oyster re…
View article: Appendix C. Additional measures of dissolved oxygen: oxygen profile in July 2005 at four different depths (at sunset, noon, and dusk) and oxygen evolution in fertilized and control plots in July and August 2005.
Appendix C. Additional measures of dissolved oxygen: oxygen profile in July 2005 at four different depths (at sunset, noon, and dusk) and oxygen evolution in fertilized and control plots in July and August 2005. Open
Additional measures of dissolved oxygen: oxygen profile in July 2005 at four different depths (at sunset, noon, and dusk) and oxygen evolution in fertilized and control plots in July and August 2005.
View article: Appendix A. Results from the statistical analyses of fishing impacts on fish community structure, and predation and grazing intensity along the coral reef–seagrass interface.
Appendix A. Results from the statistical analyses of fishing impacts on fish community structure, and predation and grazing intensity along the coral reef–seagrass interface. Open
Results from the statistical analyses of fishing impacts on fish community structure, and predation and grazing intensity along the coral reef–seagrass interface.
View article: Appendix B. Environmental variables (salinity, depth, and temperature) in control and fertilized plots during the experiment.
Appendix B. Environmental variables (salinity, depth, and temperature) in control and fertilized plots during the experiment. Open
Environmental variables (salinity, depth, and temperature) in control and fertilized plots during the experiment.
View article: A laboratory study of potential effects of the invasive round goby on nearshore fauna of the Baltic Sea
A laboratory study of potential effects of the invasive round goby on nearshore fauna of the Baltic Sea Open
In the Baltic Sea, species diversity is relatively low and the introduction of new predator species can have large direct and indirect impacts on native species - both prey and potential competitors. The alien round goby Neogobius melanost…
View article: Appendix A. Nitrogen loading rates in coastal systems and experimental manipulations in which we based our loading-rates experimental design. Experimental design and calculation of the current fertilizer release rate.
Appendix A. Nitrogen loading rates in coastal systems and experimental manipulations in which we based our loading-rates experimental design. Experimental design and calculation of the current fertilizer release rate. Open
Nitrogen loading rates in coastal systems and experimental manipulations in which we based our loading-rates experimental design. Experimental design and calculation of the current fertilizer release rate.
View article: Time-series plot of mean nekton biomass, 2009–2011.
Time-series plot of mean nekton biomass, 2009–2011. Open
Mean biomass of (A) total nekton catches, and (B) transient and resident species. Biomass of grass shrimp (Palaemonetes pugio) has been excluded from resident means in (B). No significant differences in mean biomass were detected among yea…