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Designing Effective Marine Protected Areas in Seaflower Biosphere Reserve, Colombia, Based on Biological and Sociological Information
Abstract: Ecologists have paid increasing attention to the design of marine protected areas (MPAs), and their design advice consistently recommends representing all habitat types within MPAs or MPA…
Mapping coral reefs using consumer-grade drones and structure from motion photogrammetry techniques
We propose a novel technique to measure the small-scale three-dimensional features of a shallow-water coral reef using a small drone equipped with a consumer-grade camera, a handheld GPS and…
Remote Sensing of Coral Reefs for Monitoring and Management: A Review
A clear conclusion of the review is that advances in both sensor technology and processing algorithms continue to drive forward remote sensing capability for coral reef mapping, particularly with respect to spatial resolution of maps, and synthesis across multiple data products.
Porites and the Phoenix effect: unprecedented recovery after a mass coral bleaching event at Rangiroa Atoll, French Polynesia
Rapid post-bleaching recovery is unprecedented in massive Porites and resulted from remarkable self-regeneration termed the ‘Phoenix effect’, whereby remnant cryptic patches of tissue that survived the 1997/1998 ENSO event regenerated and rapidly overgrew adjacent dead skeleton.
Ecological risk and the exploitation of herbivorous reef fish across Micronesia
Nominally herbivorous fish play a variety of functional roles that are important in maintaining coral reef resilience, yet are major targets of spear fisheries in Micronesia. Although protection is…
Reciprocal facilitation and non‐linearity maintain habitat engineering on coral reefs
The resilience of biogenic habitats is enhanced by non-linear biotic responses to engineering and by the emergence of reciprocal facilitation linking habitat engineering and response organisms.
Empirical relationships among resilience indicators on Micronesian reefs
Examination of benthos and herbivorous fish assemblages of outer-shelf reefs in Micronesia finds a weak positive relationship was found between scarid biomass and juvenile coral density, and hypothesise that high scarid density may hinder juvenile density through increased corallivory.
Reefs under Siege—the Rise, Putative Drivers, and Consequences of Benthic Cyanobacterial Mats
- Amanda K Ford, S. Bejarano, M. Nugues, P. Visser, S. Albert, S. Ferse
- Environmental ScienceFront. Mar. Sci.
- 2 February 2018
Benthic cyanobacteria have commonly been a small but integral component of coral reef ecosystems, fulfilling the critical function of introducing bioavailable nitrogen to an inherently oligotrophic…
Predicting structural complexity of reefs and fish abundance using acoustic remote sensing (RoxAnn)
Although the use of IKONOS data was required to obtain a large number of echoes per site, future studies will be able to utilise RoxAnn data alone to detect spatial patterns in substrate complexity and fish abundance, provided that a minimum of 50 RoxAnn echoes are collected per site.
Relationships of invasive lionfish with topographic complexity, groupers, and native prey fishes in Little Cayman
This work quantifies the relationships of lionfish density and hunting behaviour with topographic complexity, grouper biomass, and prey availability on the north-east reefs of Little Cayman and concludes that targeted removals are likely to yield the highest conservation benefits if focused on most rugose sites and at the edges of drop-offs.