Untapped potential of physiology, behaviour and immune markers to predict range dynamics and marginality

Shultz, Susanne; Britnell, J.A.; Harvey, Nicholas J. A.

doi:10.1002/ece3.8331

Cited by 4 publications

(3 citation statements)

References 206 publications

(174 reference statements)

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“…This is particularly true for Endangered and Critically endangered species. We strongly recommend incorporating marginality metrics into conservation management by estimating their relative position of PAs or reintroduction sites to a species historic niche centroid or by comparing core and peripheral protected populations (Shultz et al, 2021).…”

Section: Discussionmentioning

confidence: 99%

“…abundance, Fristoe et al, 2023;density;Osorio-Olvera et al, Osorio-Olvera, Yañez-Arenas, et al, 2020;performance trends, Manthey et al, 2015), they do not identify which factors contribute to fitness declines across the core-periphery gradient or whether distributional limits are set by environmental factors directly or indirectly (Sexton et al, 2009). Novel experimental techniques such as diet DNA metabarcoding can evaluate resource-use across large spatial scales non-invasively (Shultz et al, 2021). By combining these approaches, we can better understand which factors contribute to fitness declines in niche peripheries by tying limiting factors and performance variation to the fundamental concept of the species niche (see Maguire, 1973).…”

Section: Introductionmentioning

confidence: 99%

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A grazer's niche edge is associated with increasing diet diversity and poor population performance

Britnell,

Kerley,

Antwis

et al. 2024

Ecology Letters

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The core‐periphery hypothesis predicts niche cores should be associated with greater survivorship, reproductive output and population performance rates than marginal habitats at niche edges. However, there is very little empirical evidence of whether niche centrality influences population trends in animals. Using the Cape mountain zebra (Equus zebra zebra) as a model system, we evaluated whether niche centrality is associated with population trends, resource availability and diet across a core‐periphery gradient. Population growth rates and density progressively declined towards niche peripheries. Niche peripheries were resource‐poor and Cape mountain zebra consumed more phylogenetically diverse diets dominated by non‐grass families. In core habitats they consumed grass‐rich diets and female reproductive success was higher. This combination of spatial niche modelling and functional ecology provides a novel evaluation of how bottom‐up resource limitation can shape species distributions, population resilience and range change and can guide conservation management.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A grazer's niche edge is associated with increasing diet diversity and poor population performance

Britnell,

Kerley,

Antwis

et al. 2024

Ecology Letters

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“…Frequently, components I and IV are investigated together, such as considering the ecological implications of thermal safety margins, with less of a focus on components II and III . For comprehensive understanding and projections of system change, however, the full suite of components is optimal (Ames et al., 2020; Lea et al., 2018; Shultz et al., 2021), especially to avoid errors of interpretation (Mitchell et al., 2018). For example, understanding the mechanisms that give rise to macrophysiological patterns requires an exploration of the evolution of traits and their plasticity, including any constraints to the evolution of both and their interactions with particular components of the phenotype such as behaviour (Clusella‐Trullas et al., 2021; Kingsolver et al., 2013; Sgrò et al., 2016).…”

Section: Macrophysiologymentioning

confidence: 99%

Macrophysiology for decision‐making

Chown

2022

Journal of Zoology

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In an 1854 lecture, TH Huxley suggested that physiology should be measured by its contribution to science, its practical worth and the extent to which it should be made a branch of education. Since macrophysiology, or the investigation of variation in physiological traits over large geographical and temporal scales and the ecological implications of this variation, is well‐established and approaching its third decade, these questions are posed for it here. The field is, of course, much older, but, over the last two decades, has contributed substantially to fundamental eco‐evolutionary research and to understanding the conservation consequences of physiological variation at regional and global scales. Its greatest successes have been in understanding variation in thermal and metabolic responses of animals and plants to variable environments and the significance thereof in the context of the climate crisis. By contrast, much less progress has been made in understanding the regulation of water in the context of currently changing environments and projections of further impacts associated with ongoing global change. The development of new datasets of physiological traits across broad spatial scales has been a slower enterprise than the further compilation of trait databases from extant data. Surprising insights have emerged from genomics‐based microbial macrophysiology, an approach which has much potential to span all of life's variety. The findings of macrophysiological investigations have been taken up within policy reports and/or implementation actions, such as those of the IPCC and the Antarctic Treaty System, that have resulted in benefits to society and to the environment. Yet, as is the case with other areas of research, much remains to be done to develop further strategies to counteract the anti‐science attitudes that are now so prevalent globally.

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The paradox of spring: Thyroid and glucocorticoid responses to cold temperatures and food availability in free living Carneddau ponies

Granweiler,

Cristóbal-Azkarate,

Morton

et al. 2024

Hormones and Behavior

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Untapped potential of physiology, behaviour and immune markers to predict range dynamics and marginality

Cited by 4 publications

References 206 publications

A grazer's niche edge is associated with increasing diet diversity and poor population performance

A grazer's niche edge is associated with increasing diet diversity and poor population performance

Macrophysiology for decision‐making

The paradox of spring: Thyroid and glucocorticoid responses to cold temperatures and food availability in free living Carneddau ponies

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