Joshua R. Hancock
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View article: Proactive Coral Reef Restoration Using Thermally Tolerant Corals in Hawaiʻi
Proactive Coral Reef Restoration Using Thermally Tolerant Corals in Hawaiʻi Open
Effective conservation of degraded ecosystems requires mitigation of the original cause of decline, but this is difficult in the context of global climate change. On coral reefs, persistent environmental stress, which causes coral bleachin…
View article: Thermal tolerance is associated with enhanced growth and recovery in the reef-building coral Montipora capitata
Thermal tolerance is associated with enhanced growth and recovery in the reef-building coral Montipora capitata Open
Relationships between ecologically important traits are increasingly important for the future of coral reefs, which are declining globally due to a variety of stressors. Corals that resist and recover from bleaching will be selected under …
View article: Microbial living materials promote coral larval settlement
Microbial living materials promote coral larval settlement Open
The global decline of coral reefs calls for new strategies to rapidly restock coral populations and maintain ecosystem functions and services. Low recruitment success on degraded reefs hampers coral sexual propagation and leads to reduced …
View article: Intergenerational metabolomic signatures of bleaching resistance in corals
Intergenerational metabolomic signatures of bleaching resistance in corals Open
Coral bleaching is one of the greatest threats to the persistence of tropical reef ecosystems. This necessitates identification of attributes associated with coral resistance and resilience to thermal stress, both within and between genera…
View article: Biomimetic chemical microhabitats enhance coral settlement
Biomimetic chemical microhabitats enhance coral settlement Open
Anthropogenic stressors pose substantial threats to the existence of coral reefs. Achieving successful coral recruitment stands as a bottleneck in reef restoration and hybrid reef engineering efforts. Here, we enhance coral settlement thro…
View article: Proactive Coral Reef Restoration Using Thermally Tolerant Corals in Hawai‘i
Proactive Coral Reef Restoration Using Thermally Tolerant Corals in Hawai‘i Open
Effective conservation of degraded ecosystems requires mitigation of the original cause of decline, but this step can be difficult in the context of global climate change. On coral reefs, persistent environmental stress which causes coral …
View article: Positive associations between growth and thermal tolerance in the reef-building coral <i>Montipora capitata</i>
Positive associations between growth and thermal tolerance in the reef-building coral <i>Montipora capitata</i> Open
Relationships between ecologically important traits are increasingly important for the future of coral reefs, which are declining globally due to a variety of stressors. Corals that resist and recover from bleaching will be selected under …
View article: Heat-induced stress modulates cell surface glycans and membrane lipids of coral symbionts
Heat-induced stress modulates cell surface glycans and membrane lipids of coral symbionts Open
The susceptibility of corals to environmental stress is determined by complex interactions between host genetic variation and the Symbiodiniaceae family community. We exposed genotypes of Montipora capitata hosting primarily Cladocopium or…
View article: Helix recesses boost coral larvae settlement and survival
Helix recesses boost coral larvae settlement and survival Open
The worldwide decline of coral reefs, driven by climate change and local stressors, demands new, scalable restoration approaches. Coral larvae offer significant potential for reef recovery, as a single coral colony can release millions of …
View article: Transgenerational metabolomic signatures of bleaching resistance in corals
Transgenerational metabolomic signatures of bleaching resistance in corals Open
Coral bleaching is one of the greatest climate-driven threats to the persistence of tropical reef ecosystems. This necessitates the identification of attributes associated with coral resistance and resilience to thermal stress both within …
View article: Variability in Symbiont Chlorophyll of Hawaiian Corals from Field and Airborne Spectroscopy
Variability in Symbiont Chlorophyll of Hawaiian Corals from Field and Airborne Spectroscopy Open
Corals are habitat-forming organisms on tropical and sub-tropical reefs, often displaying diverse phenotypic behaviors that challenge field-based monitoring and assessment efforts. Symbiont chlorophyll (Chl) is a long-recognized indicator …
View article: Enhancing survivorship and growth of juvenile <i>Montipora capitata</i> using the Hawaiian collector urchin <i>Tripneustes gratilla</i>
Enhancing survivorship and growth of juvenile <i>Montipora capitata</i> using the Hawaiian collector urchin <i>Tripneustes gratilla</i> Open
The biodiversity of coral reef habitats is rapidly declining due to the effects of anthropogenic climate change, prompting the use of active restoration as a mitigation strategy. Sexual propagation can maintain or enhance genetic diversity…
View article: Fine-scale variability in coral bleaching and mortality during a marine heatwave
Fine-scale variability in coral bleaching and mortality during a marine heatwave Open
Coral bleaching and mortality can show significant spatial and taxonomic heterogeneity at local scales, highlighting the need to understand the fine-scale drivers and impacts of thermal stress. In this study, we used structure-from-motion …
View article: Fine-scale variability in coral bleaching and mortality during a marine heatwave
Fine-scale variability in coral bleaching and mortality during a marine heatwave Open
Coral bleaching and mortality can show significant spatial and taxonomic heterogeneity at local scales, highlighting the need to understand the fine-scale drivers and impacts of thermal stress. In this study, we used structure-from-motion …
View article: Genetic patterns in <i>Montipora capitata</i> across an environmental mosaic in Kāne'ohe Bay, O'ahu, Hawai'i
Genetic patterns in <i>Montipora capitata</i> across an environmental mosaic in Kāne'ohe Bay, O'ahu, Hawai'i Open
Spatial genetic structure (SGS) is important to a population's ability to adapt to environmental change. For species that reproduce both sexually and asexually, the relative contribution of each reproductive mode has important ecological a…
View article: Genetic patterns in <i>Montipora capitata</i> across an environmental mosaic in Kāne’ohe Bay
Genetic patterns in <i>Montipora capitata</i> across an environmental mosaic in Kāne’ohe Bay Open
Spatial genetic structure (SGS) is important to a population’s ability to adapt to environmental change. For species that reproduce both sexually and asexually, the relative contribution of each reproductive mode has important ecological a…
View article: Coral bleaching response is unaltered following acclimatization to reefs with distinct environmental conditions
Coral bleaching response is unaltered following acclimatization to reefs with distinct environmental conditions Open
Significance Ocean warming has caused catastrophic losses of corals on reefs worldwide and is intensifying faster than the adaptive rate of most coral populations that remain. Human interventions, such as propagation of heat-resistant cora…
View article: A Field Primer for Monitoring Benthic Ecosystems using Structure-from-Motion Photogrammetry
A Field Primer for Monitoring Benthic Ecosystems using Structure-from-Motion Photogrammetry Open
Structure-from-motion (SfM) photogrammetry is a technique used to generate three-dimensional (3D) reconstructions from a sequence of two-dimensional (2D) images. SfM methods are becoming increasingly popular as a noninvasive way to monitor…
View article: Bleaching resistant corals retain heat tolerance following acclimatization to environmentally distinct reefs
Bleaching resistant corals retain heat tolerance following acclimatization to environmentally distinct reefs Open
Urgent action is needed to prevent the demise of coral reefs as the climate crisis leads to an increasingly warmer and more acidic ocean. Propagating climate change resistant corals to restore degraded reefs is one promising strategy; howe…
View article: Coral Bleaching Susceptibility Is Predictive of Subsequent Mortality Within but Not Between Coral Species
Coral Bleaching Susceptibility Is Predictive of Subsequent Mortality Within but Not Between Coral Species Open
Marine heat waves instigated by anthropogenic climate change are causing increasingly frequent and severe coral bleaching events that often lead to widespread coral mortality. While community-wide increases in coral mortality following ble…
View article: Coral bleaching susceptibility is predictive of subsequent mortality within but not between coral species
Coral bleaching susceptibility is predictive of subsequent mortality within but not between coral species Open
Marine heat waves instigated by anthropogenic climate change are causing increasingly frequent and severe coral bleaching events that often lead to widespread coral mortality. While community-wide increases in coral mortality following ble…
View article: Impact of ocean acidification on the hypoxia tolerance of the woolly sculpin,<i>Clinocottus analis</i>
Impact of ocean acidification on the hypoxia tolerance of the woolly sculpin,<i>Clinocottus analis</i> Open
As we move into the Anthropocene, organisms inhabiting marine environments will continue to face growing challenges associated with changes in ocean pH (ocean acidification), dissolved oxygen (dead zones) and temperature. These factors, in…