Environmental interpretation in the Great Barrier Reef Marine Park: an assessment of programme effectiveness

This study sought to determine how visitor environmental interpretation programmes in the Great Barrier Reef Marine Park could be assessed to determine their effectiveness in educating visitors about the reef environment and conservation issues. A self-administered visitor questionnaire was designed to identify changes in visitor knowledge and understanding of the reef's basic ecology, human impacts, health and tourism. The study used an independent sample design in which visitors aboard a large reef-trip vessel were surveyed over one week before exposure to the operation's interpretive programme. A second set of visitors was then surveyed following completion of the interpretive programme. The survey identified significant changes in visitors' self-reported knowledge of the reef environment as a result of the trip. Additionally, visitors' self-reported knowledge and understanding of basic reef ecology and human impacts on the reef environment differed significantly in relation to the number of interpretive activities in which they participated. These findings suggest that (1) reef-based visitor interpretation programmes can effectively change visitor understanding of key reef topics and issues, and (2) methods of evaluating reef-based interpretive programmes can be undertaken through self-administered questionnaires

Predicting IUCN Extinction Risk Categories for the World's Data Deficient Groupers (Teleostei : Epinephelidae)

Groupers are highly susceptible to human-induced impacts, making them one of the most threatened fish families globally. Extinction risk assessments are important in endangered threatened species management, however the most comprehensive—the International Union for Conservation of Nature (IUCN) Red List—cannot classify approximately one-third of grouper species due to data deficiency. We used an ordinal analytical approach to model relationships between species-level traits and extinction risk categories. We found that larger species and those with shallower maximum depths and smaller geographic ranges had higher extinction risk. Using our best fitting model, we classified data deficient grouper species into IUCN's extinction risk categories based on traits. Most of these species were predicted to be of least concern. However, 12% were predicted to be endangered or vulnerable, suggesting that they may be of conservation interest. Importantly, we provide a quantitative method for overcoming data gaps that can be applied to conservation of other species.9 page(s

Incongruence between life-history traits and conservation status in reef corals

Comparative lists of species' extinction risk are increasingly being used to prioritise conservation resources. Extinction risk is most rigorously assessed using quantitative data on species' population trajectories, but in the absence of such data, assessments often rely on qualitative estimates based on expert opinion of species abundances, distributions and threats. For example, one-third of coral species are classified as threatened and another third as near threatened on the IUCN Red List, despite a lack of data at the population level for the vast majority of species. Since many taxa show a strong correlation between species traits and extinction risk, an alternate approach is to identify traits associated with extinction in other groups and apply them to the taxon of interest. Here, we examine whether life-history traits associated with stress tolerance, fecundity and habitat specialisation are correlated with Red List conservation status in reef corals. We found no relationship between conservation status and life-history traits, suggesting that either traits identified as important predictors of extinction risk in other taxa are not important in corals, or that conservation status does not accurately reflect species' relative extinction risk. Therefore, using global-scale extinction risk assessments to inform conservation of coral reefs presents a high risk of 'silent extinctions' of undescribed species. We argue that the conservation status for the vast majority of coral species should be 'data deficient' and is likely to remain so for the foreseeable future, and that the status and trends of coral populations can only be reliably assessed at relatively small scales

Code and data supporting "Multi-Trophic Species Interactions Shape Seascape-Scale Coral Reef Vegetation Patterns", E.M.P. Madin, K. Precoda, A.R. Harborne, T.B. Atwood, C.M. Roelfsema, O.J. Luiz (2019), Frontiers in Ecology and Evolution, doi:10.3389/fevo.2019.00102

Data relates to mechanisms for patch reef halos. Data for patch reefs and halos around them, when visible, from satellite imaging of Heron lagoon, GBR, Australia; and data on in-situ video and benthic quadrat obsevations. R code that processes the data and creates plots.<br

Global COVID-19 lockdown highlights humans as both threats and custodians of the environment

The global lockdown to mitigate COVID-19 pandemic health risks has altered human interactions with nature. Here, we report immediate impacts of changes in human activities on wildlife and environmental threats during the early lockdown months of 2020, based on 877 qualitative reports and 332 quantitative assessments from 89 different studies. Hundreds of reports of unusual species observations from around the world suggest that animals quickly responded to the reductions in human presence. However, negative effects of lockdown on conservation also emerged, as confinement resulted in some park officials being unable to perform conservation, restoration and enforcement tasks, resulting in local increases in illegal activities such as hunting. Overall, there is a complex mixture of positive and negative effects of the pandemic lockdown on nature, all of which have the potential to lead to cascading responses which in turn impact wildlife and nature conservation. While the net effect of the lockdown will need to be assessed over years as data becomes available and persistent effects emerge, immediate responses were detected across the world. Thus initial qualitative and quantitative data arising from this serendipitous global quasi-experimental perturbation highlights the dual role that humans play in threatening and protecting species and ecosystems. Pathways to favorably tilt this delicate balance include reducing impacts and increasing conservation effectiveness