The influence of seabirds on their breeding, roosting and nesting grounds: A systematic review and meta‐analysis

Grant, Megan L.; Bond, Alexander L.; Lavers, Jennifer L.

doi:10.1111/1365-2656.13699

Cited by 25 publications

(18 citation statements)

References 315 publications

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“…| 9 of 13 soil chemistry and composition (Bellingham et al, 2010;Grant et al, 2022;Hawke, 2022). However, our study found no link between sites with or without seabirds (data not shown), and no link between sites which were closer geographically.…”

Section: Geographic Location Significantly Influences the Tuatara Gut...contrasting

confidence: 52%

“…The ecology of each sanctuary site ranged in temperature, humidity and distance from the coast. The presence of seabirds at a site was of particular interest, considering their ability to change soil chemistry and composition (Bellingham et al., 2010; Grant et al., 2022; Hawke, 2022). However, our study found no link between sites with or without seabirds (data not shown), and no link between sites which were closer geographically.…”

Section: Discussionmentioning

confidence: 99%

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Gut microbiome of the sole surviving member of reptile order Rhynchocephalia reveals biogeographic variation, influence of host body condition and a substantial core microbiota in tuatara across New Zealand

Hoffbeck,

Middleton,

Lamar

et al. 2024

Ecology and Evolution

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Tuatara are the sole extant species in the reptile order Rhynchocephalia. They are ecologically and evolutionarily unique, having been isolated geographically for ~84 million years and evolutionarily from their closest living relatives for ~250 million years. Here we report the tuatara gut bacterial community for the first time. We sampled the gut microbiota of translocated tuatara at five sanctuaries spanning a latitudinal range of ~1000 km within Aotearoa New Zealand, as well as individuals from the source population on Takapourewa (Stephens Island). This represents a first look at the bacterial community of the order Rhynchocephalia and provides the opportunity to address several key hypotheses, namely that the tuatara gut microbiota: (1) differs from those of other reptile orders; (2) varies among geographic locations but is more similar at sites with more similar temperatures and (3) is shaped by tuatara body condition, parasitism and ambient temperature. We found significant drivers of the microbiota in sampling site, tuatara body condition, parasitism and ambient temperature, suggesting the importance of these factors when considering tuatara conservation. We also derived a ‘core’ community of shared bacteria across tuatara at many sites, despite their geographic range and isolation. Remarkably, >70% of amplicon sequence variants could not be assigned to known genera, suggesting a largely undescribed gut bacterial community for this ancient host species.

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Section: Geographic Location Significantly Influences the Tuatara Gut...contrasting

confidence: 52%

Section: Discussionmentioning

confidence: 99%

Gut microbiome of the sole surviving member of reptile order Rhynchocephalia reveals biogeographic variation, influence of host body condition and a substantial core microbiota in tuatara across New Zealand

Hoffbeck,

Middleton,

Lamar

et al. 2024

Ecology and Evolution

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“…Marine vertebrates, primarily birds and pinnipeds, deliver vast amounts of nutrients to terrestrial domains in various regions of the Earth, as they come to land in order to breed, rest or moult (Şekercioǧlu 2006;Grant et al 2022). Allochthonous nutrients typically promote vegetation growth, significantly modify its structure and composition, and have a cascade of impacts through other trophic levels and on various ecosystem processes (e.g.…”

Section: Introductionmentioning

confidence: 99%

“…However, an overview of terrestrial invertebrate responses to the influence of marine vertebrates in polar regions is lacking. It might be hypothesised that polar terrestrial ecosystems are likely to be particularly sensitive to input of nitrogen or phosphorus, more so than ecosystems elsewhere, since they are typically characterised by chronically low nutrient availability (Grant et al 2022). Furthermore, the magnitude of ornithogenic nutrient inputs in polar regions, particularly in parts of Antarctica, has been recognized as being amongst the highest globally (Otero et al 2018).…”

Section: Introductionmentioning

confidence: 99%

The impact of marine vertebrates on polar terrestrial invertebrate communities

et al. 2023

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Marine birds and pinnipeds which come to land to breed, rest and moult are widely known to fertilize adjacent terrestrial ecosystems, with cascading effects on vegetation and other trophic levels. We provide a synthesis of the consequences of allochthonous nutrient enrichment for terrestrial invertebrate communities within and around marine vertebrate aggregation sites and nutrient sources in the High Arctic and Continental and Maritime Antarctic, the most nutrient-poor and environmentally extreme parts of the polar regions. Using a combination of literature review (identifying 19 articles from the Arctic Svalbard archipelago and 12 from different Antarctic locations) and new analyses of available datasets of springtail, mite and tardigrade community composition, we confirmed that terrestrial invertebrate abundance and species richness tended to increase, and their community compositions changed, as a result of marine vertebrate fertilisation in both polar regions. These changes were significantly greater on talus slopes enriched by kittiwakes, guillemots and little auks in the Arctic, as compared to the edges of penguin colonies in the Antarctic. Both these habitat areas were typically abundantly vegetated and provided the most favourable microhabitat conditions for terrestrial invertebrates. The most heavily disturbed and manured areas within Antarctic penguin rookeries and seal wallows, generally on flat or gently sloping ground, were typically characterised by extremely low invertebrate diversity. In the Arctic, only sites directly beneath densely-occupied bird cliffs were to some extent comparably barren. Invertebrate responses are dependent on a combination of vertebrate activity, local topography and vegetation development.

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“…But we are increasingly publishing papers on how animals affect the ecosystems they are embedded in rather than simply respond to changes in the environment (e.g. Ellis‐Soto et al., 2021; Ferraro et al., 2023; Grant et al., 2022; McCary & Schmitz, 2021; Swain et al., 2023).…”

mentioning

confidence: 99%

Journal of Animal Ecology in 2023: Looking back and looking forward

Sanders,

Salguero‐Gómez,

Evans

et al. 2024

Journal of Animal Ecology

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The influence of seabirds on their breeding, roosting and nesting grounds: A systematic review and meta‐analysis

Abstract: 1. Seabird species world-wide are integral to both marine and terrestrial environments, connecting the two systems by transporting vast quantities of marine-enrichment, guano, marine-derived, mobile link, vector | 1267

Cited by 25 publications

References 315 publications

Gut microbiome of the sole surviving member of reptile order Rhynchocephalia reveals biogeographic variation, influence of host body condition and a substantial core microbiota in tuatara across New Zealand

Gut microbiome of the sole surviving member of reptile order Rhynchocephalia reveals biogeographic variation, influence of host body condition and a substantial core microbiota in tuatara across New Zealand

The impact of marine vertebrates on polar terrestrial invertebrate communities

Journal of Animal Ecology in 2023: Looking back and looking forward

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