Conspecific density and habitat quality affect breeding habitat selection: Support for the social attraction hypothesis

Swift, Rose J.; Anteau, Michael J.; Ellis, Kristen S.; Ring, Megan M.; Sherfy, Mark H.; Toy, Dustin L.

doi:10.1002/ecs2.4524

Cited by 3 publications

(2 citation statements)

References 57 publications

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“…Individuals were more likely to disperse from the U.S. Alkali Wetlands to breed on the Northern Rivers (0.33, SD = 0.23) than vice versa (0.17, SD = 0.04). Swift et al (2021a) also documented high, unbalanced breeding dispersal (i.e., successive annual breeding attempts by adults) between these two groups and high rates of movements within these breeding areas (Swift et al 2023). However, adults were more likely to disperse from the Northern Rivers to breed on the U.S. Alkali Wetlands (0.17, SD = 0.01) than vice versa (0.04, SD = 0.006) Swift et al (2021a).…”

Section: Updating Vital Rate Estimatesmentioning

confidence: 95%

Estimating population viability of the northern Great Plains piping plover population considering updated population structure, climate change, and intensive management

et al. 2023

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One challenge in wildlife conservation is understanding how various threats and management actions may influence long-term population viability. This is particularly evident when there is considerable uncertainty regarding population structure and vital rates. Reassessment of current knowledge and population trends is necessary for listed species to improve management actions that benefit conservation. We present an updated population viability analysis for northern Great Plains piping plovers (Charadrius melodus circumcinctus) based on the latest scientific data on survival, fecundity, and connectivity. Further, we explore the consequences of potential management actions and the stochastic effects of global climate change on population viability through changes in survival and fecundity. Our results predict elevated risks of extinction after 50 years (0.088 – 0.373) compared to previous predictions (0.033) based on assumed conditions of low connectivity among four major breeding groups structured as a metapopulation. We explored eight scenarios based on empirically-derived, higher connectivity rates and found that the northern Great Plains population never had a mean predicted population growth rate greater than one (0.946 – 0.996). Two scenarios that simulated a reduction in adult survival showed higher extinction probabilities (0.267 – 0.373), whereas two other scenarios that simulated an increase in fecundity exhibited lower extinction probabilities (0.088 – 0.103). These results indicate that viability of the northern Great Plains population of piping plovers could be improved with management actions that increase fecundity as long as adult survival is not simultaneously reduced. Lastly, breeding groups appeared to function less independently when connectivity rates were higher, as the breeding population was divided evenly among breeding groups. This indicates that the presumed metapopulation structure of our study system may need to be re-evaluated, and that empirically-based estimates of connectivity are essential to assessing population viability of mobile species that exhibit a spatially structured distribution.

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Section: Updating Vital Rate Estimatesmentioning

confidence: 95%

Estimating population viability of the northern Great Plains piping plover population considering updated population structure, climate change, and intensive management

et al. 2023

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“…Incorporating appropriate substrates, shelters, plants, and other structures into the habitat of aquatic organisms for habitat enrichment could enhance their environmental adaptability and increase their release survival rate [ 1 , 2 ]. However, the effect of habitat enrichment is influenced by the studied species, lifestyle, growth stage, and habitat structure [ 3 , 4 ]. Therefore, analysing the behavioural characteristics of fish in artificial reefs in response to habitat environment changes through habitat enrichment is crucial for exploring the effects of artificial reefs on fish release processes and patterns.…”

Section: Introductionmentioning

confidence: 99%

Habitat Enrichment Causes Changes in Fish Behavioural Characteristics: A Case Study of Sparus latus

Guo,

Chen,

Qin

et al. 2024

Biology

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To better understand the habitat preferences and behavioural ecology of Sparus latus, we performed an experiment using box-shaped reefs as habitat enrichment materials, allowing us to determine the behavioural strategies and drivers involved in the response to different enrichment structures. The results showed that the first contact time of S. latus was negatively correlated (Pearson’s correlation, p < 0.005) with the distribution rate in the artificial reef area. Enrichment structures affected the habitat preferences of S. latus, and there was a significant difference in the average distribution rate between the control and treatment groups (Adonis, p < 0.001). The opening ratio (Adonis, R2 = 0.36) explained the distribution difference of S. latus better than the opening shape (Adonis, R2 = 0.12). In the absence of an enrichment structure, S. latus remained more active during the daytime, exhibiting poor clustering, while in the presence of an enrichment structure, S. latus exhibited clustered movement at night. The opening ratio was negatively correlated with the average interindividual distance (Spearman’s correlation, p < 0.01) and showed a significant positive correlation with the average distribution rate in the reef area (Spearman’s correlation, p< 0.001), indicating that the reef opening ratio significantly affected the reef-tropism and clustering behaviours of S. latus. The light intensity was negatively correlated with the average distance moved, and the average speed (Spearman’s correlation, p < 0.05) was significantly positively correlated with the reef first contact time (Spearman’s correlation, p < 0.001), indicating that the light intensity affected the exploration and activity patterns of S. latus. These results provide a research basis for analysing the pattern and process of fish proliferation induced by artificial reef habitats

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Assessing trade‐offs in developing a landscape‐scale nest monitoring programme for a threatened shorebird

Ellis,

Anteau,

MacDonald

et al. 2024

Ecol Sol and Evidence

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Effective monitoring of wildlife species requires thorough planning and development of survey programmes that can address management and conservation objectives. Decisions about monitoring programmes include where to survey, survey design and how much effort to allocate at survey sites are typically predicated on limited budgets and available resources. When the scope of inference requires monitoring on a broad spatial scale, predictions of habitat distribution or suitability may be useful for identifying potential survey sites. We focused on a threatened but widely distributed shorebird, the piping plover (Charadrius melodus), which is actively monitored across some, but not all of its range. Our objective was to use piping plover habitat distribution maps, which vary annually, to assess the effectiveness of multiple monitoring programme scenarios and their associated costs. In the breeding range, efforts to improve productivity for species of conservation concern often focus on improving probabilities of nest survival. Consequently, collecting adequate nesting data is crucial for obtaining accurate and precise estimates of nest survival and for evaluating the effectiveness of management actions. By simulating the nest monitoring process, we evaluated how much area, where and how often to survey each site when estimating nest survival and detecting effects of potential management actions. As expected, precision increased and bias decreased around nest survival estimates with greater survey coverage and nest visit frequency. We also identified monitoring programmes with negative net values where survey costs outweighed statistical benefits. Although we applied our simulation framework to evaluate nest monitoring designs for piping plovers, it could be extended to assess whether different monitoring programmes can detect changes in the distribution of other species or occupancy of habitats over time.

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Conspecific density and habitat quality affect breeding habitat selection: Support for the social attraction hypothesis

Cited by 3 publications

References 57 publications

Estimating population viability of the northern Great Plains piping plover population considering updated population structure, climate change, and intensive management

Estimating population viability of the northern Great Plains piping plover population considering updated population structure, climate change, and intensive management

Habitat Enrichment Causes Changes in Fish Behavioural Characteristics: A Case Study of Sparus latus

Assessing trade‐offs in developing a landscape‐scale nest monitoring programme for a threatened shorebird

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