Casitas: a location-dependent ecological trap for juvenile Caribbean spiny lobsters, Panulirus argus

Gutzler, Benjamin C.; Butler, Mark J.; Behringer, Donald C.

doi:10.1093/icesjms/fsv041

Cited by 18 publications

(19 citation statements)

References 49 publications

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“…electronic supplementary material, figure S3b). For example, fishing could cause an ecological trap for spiny lobsters (Panulirus argus) attracted to small artificial structures known as casitas, and killed once captured [39]. In this instance, the lobsters are attracted to the casita and another agent of change (fishing) reduces fitness.…”

Section: Resultsmentioning

confidence: 99%

Ecological traps: current evidence and future directions

Hale¹,

Swearer²

2016

Proc. R. Soc. B.

236

213

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Ecological traps, which occur when animals mistakenly prefer habitats where their fitness is lower than in other available habitats following rapid environmental change, have important conservation and management implications. Empirical research has focused largely on assessing the behavioural effects of traps, by studying a small number of geographically close habitat patches. Traps, however, have also been defined in terms of their population-level effects (i.e. as preferred habitats of sufficiently low quality to cause population declines), and this is the scale most relevant for management. We systematically review the ecological traps literature to (i) describe the geographical and taxonomic distribution of efforts to study traps, (ii) examine how different traps vary in the strength of their effects on preference and fitness, (iii) evaluate the robustness of methods being used to identify traps, and (iv) determine whether the information required to assess the population-level consequences of traps has been considered. We use our results to discuss key knowledge gaps, propose improved methods to study traps, and highlight fruitful avenues for future research.

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Section: Resultsmentioning

confidence: 99%

Ecological traps: current evidence and future directions

Hale¹,

Swearer²

2016

Proc. R. Soc. B.

236

213

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“…While the structures may have a positive effect on crabs on a small spatial scale (Sheehan et al 2008), the practice has wider negative impacts on infaunal and bird communities (Johnson et al 2007, Sheehan et al 2010b. At intermediate spatial scales, lobster shelters ('casitas'; Gutzler et al 2015), oyster trestles ( Figure 5C), and crab and lobster pots are contributing to the proliferation of hard structures in the sea and can attract considerable coverage of ephemeral fouling organisms such as barnacles and tube-forming polychaetes (Southward 1995). On a larger scale, the structures associated with finfish aquaculture can add a substantial amount of artificial material and, given the location of this industry, can lead to hardening in both nearshore and offshore waters.…”

Section: Structures Associated With Finfish and Shellfish Aquaculturementioning

confidence: 99%

Ocean Sprawl: Challenges and Opportunities for Biodiversity Management In A Changing World

Firth¹,

Knights²,

Bridger³

et al. 2016

Oceanography and Marine Biology - An Annual Review

143

191

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with the proliferation of coastal defences. This is an adaptation option (sensu IPCC 2014) that has been adopted worldwide to protect the growing coastal population and its property, transport infrastructure, industry and commerce, as well as valuable amenity and recreational areas (for review, see chapters in Burcharth et al. 2007, Zanuttigh et al. 2014). In this review, we discuss current evidence and thinking on biodiversity and ecosystem responses to global drivers of change, with a focus on recent rapid climate change and its interaction with regional and local impacts due to 'ocean sprawl'-the proliferation of artificial structures in the sea. We consider how efforts to combat climate change, such as mitigation via offshore renewables ('green' energies to reduce CO 2 emissions), and adaptation via sea defences are leading to a proliferation of artificial structures, resulting in changes in the proportion of hard versus soft coastal habitats, the distribution of species, assemblage composition, and community structure. We also discuss the role of coastal development, including ports and other transport infrastructure as well as offshore structures (e.g., oil and gas platforms), in altering coastal and marine ecosystem structure and functioning. Finally, we undertake a critical review of the current 'state of the art' in the emerging field of 'green engineering', which combines environmentally conscious attitudes, values, and principles with science, technology, and engineering practice, all directed towards improving local and global environmental quality. Our scope is the global coastline extending vertically to the uppermost extent of tidal influence, with particular emphasis on open coasts and offshore structures that have seen the most research. This is in contrast to the freshwater tidal reaches of estuaries, which have received little attention (but see Francis & Hoggart 2008, 2009, Hoggart et al. 2012). Many of the case studies and examples are drawn from temperate systems in developed countries, reflecting the experience of the authors and the distribution of published research. Two themes permeate our review: firstly, how ecosystem services are at risk from modification of the coast by artificial structures; secondly, the interaction between the provision of new 'hard' substratum as a societal adaptation response, resulting in altered habitat connectivity and changes in the distribution of species and composition of assemblages. We conclude by identifying current knowledge gaps and future research needs. Burgeoning coastal human populations The diversity of coastal habitats includes rocky shores, sandy and muddy beaches, barriers, spits and sand dunes, estuaries and lagoons, deltas, wetlands, and coral reefs. These individually and K27072_C004.indd 190 6/15/16 12:57 PM 191 OCEAN SPRAWL collectively provide a disproportionately greater number of ecosystem services (see Millennium Ecosystem Assessment [MEA] 2005 for a discussion of provisioning, regulating, supporting, and cultural services) to human ...

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“…Although regulations vary across this region, spiny lobsters are harvested both commercially and recreationally using traps, by hand with a hook or net by divers, or using aggregation devices commonly called 'casitas' (Gutzler et al 2015).…”

Section: Introductionmentioning

confidence: 99%

Characterization of microsporidian Ameson herrnkindi sp. nov. infecting Caribbean spiny lobsters Panulirus argus

Small¹,

Stentiford²,

Behringer³

et al. 2019

Dis. Aquat. Org.

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The Caribbean spiny lobster Panulirus argus supports a large and valuable fishery in the Caribbean Sea. In 2007−2008, a rare microsporidian parasite with spore characteristics typical of the Ameson genus was detected in 2 spiny lobsters from southeast Florida (FL). However, the parasite species was not confirmed by molecular analyses. To address this deficiency, reported here are structural and molecular data on single lobsters displaying comparable 'cotton-like' abdominal muscle containing ovoid microsporidian spores found at different locations in FL in 2014 and 2018 and in Saint Kitts and Nevis Islands in 2017. In the lobster from 2014, multiple life stages consistent with an Ameson-like monokaryotic microsporidian were detected by transmission electron microscopy. A partial (1228 bp) small subunit (SSU) rRNA gene sequence showed each microsporidia to be identical and positioned it closest phylogenetically to Ameson pulvis in a highly supported clade also containing A. michaelis, A. metacarcini, A. portunus, and Nadelspora canceri. Using ecological, pathological, ultrastructural, and molecular data, the P. argus microsporidian has been assigned to a distinct species: Ameson herrnkindi.

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Casitas: a location-dependent ecological trap for juvenile Caribbean spiny lobsters, Panulirus argus

Cited by 18 publications

References 49 publications

Ecological traps: current evidence and future directions

Ecological traps: current evidence and future directions

Ocean Sprawl: Challenges and Opportunities for Biodiversity Management In A Changing World

Characterization of microsporidian Ameson herrnkindi sp. nov. infecting Caribbean spiny lobsters Panulirus argus

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