Translocations of eight species of burrow-nesting seabirds (genera Pterodroma, Pelecanoides, Pachyptila and Puffinus: Family Procellariidae)

Miskelly, Colin M.; Taylor, Graeme A.; Gummer, Helen; Williams, Rex S

doi:10.1016/j.biocon.2009.03.027

Cited by 80 publications

(120 citation statements)

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“…Augmenting seabird populations through chick translocation and or social attraction (e.g., using various combinations of acoustic playback, decoys, mirrors, scent, or artificial burrows to replicate signals of existing colonies) may be useful restoration measures (e.g., Kress 1998, Miskelly et al 2009). This management tool can establish colonies of reluctant natural recolonizers and thus speed the slowerresponding ecosystem recovery variables.…”

Section: Discussionmentioning

confidence: 99%

Seabird islands take mere decades to recover following rat eradication

Jones

2010

Ecological Applications

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Abstract. Islands house a majority of the world's biodiversity and are thus critical for biodiversity conservation. Seabird nesting colonies provide nutrients that are integral to maintain island biodiversity and ecosystem function. Invasive rats destroy seabird colonies and thus the island ecosystems that depend on seabird-derived nutrients. After rat eradication, it is unclear how long ecosystem recovery may take, although some speculate on the order of centuries. I looked at ecosystem recovery along a chronosequence of islands that had 12-22 years to recover following rat eradication. I show that soil, plant, and spider marine-derived nitrogen levels and C:N ratios take mere decades to recover even after centuries-long rat invasion. Moreover, active seabird restoration could speed recovery even further, giving much hope to quickly conserve many endemic species on islands worldwide.

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Section: Discussionmentioning

confidence: 99%

Seabird islands take mere decades to recover following rat eradication

Jones

2010

Ecological Applications

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“…The annual rate of increase for Bermuda Petrel (1.033) is similar to that of Gould's Petrel Pterodroma leucoptera on Cabbage Tree Island, Australia (1.036 between 1993 and2009;Priddel unpubl. data) following the removal of all land-based threats (Priddel and Carlile 1997).…”

Section: Population Trendsmentioning

confidence: 59%

Breeding biology and population increase of the Endangered Bermuda Petrel Pterodroma cahow

Madeiros¹,

Carlile

Priddel

2012

Bird Conservation International

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SummaryThe Bermuda Petrel Pterodroma cahow was thought to have become extinct early in the 17 th century due to a combination of hunting by human colonists and predation by introduced rats, cats, dogs and pigs. However, single individuals were found on four occasions during the first half of the 20 th century, and in 1951 a small population was discovered breeding on several rocky islets in north-east Bermuda. Recovery actions began in 1962 when the population numbered just 18 pairs, dispersed among five small islets. Although rats extirpated one of these five colonies in 1967, the population has grown steadily to 56 breeding pairs in 2000. We investigated the breeding phenology, productivity and population size of the Bermuda Petrel between

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“…Our data contradict the idea of slow or non-existent petrel recovery and instead suggest that island managers should carefully consider when the benefits of active restoration outweigh the cost. Several techniques, such as vocalisation playback and chick translocation, have been developed to actively anchor seabirds into new habitat (Parker et al 2007;Miskelly et al 2009;Buxton & Jones 2012;Jones & Kress 2012). In order to actively speed petrel recovery on islands with remnant colonies, the most effective strategy may be to lure birds into new habitat, which they would only otherwise inhabit passively after filling remaining patches.…”

Section: Conservation Implicationsmentioning

confidence: 99%

Spatio-temporal changes in density and distribution of burrow-nesting seabird colonies after rat eradication

Buxton¹,

Taylor²,

Jones³

et al. 2016

NZ J Ecol

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Abstract:The size and distribution of colonies of burrow-nesting petrels is thought to be limited partly by the availability of suitable breeding habitat and partly by predation. Historically, the availability of safe nesting habitat was restricted in New Zealand, due to the introduction of rats by humans. More recently, however, habitat has been restored by rat eradication. Petrel colony growth is mediated by both positive and negative density dependence, although it is unclear if, or how, density dependence will affect patterns in post-eradication colony recovery. Here, using burrow density as a proxy for relative abundance, we tested whether petrel colonies increase in density or area after rat eradication by sampling along a chronosequence of (1) five islands from which rats were eliminated 1 to 26 years ago, (2) two islands that never had rats, and (3) an island with rats still present, while controlling for habitat availability. We also measured a time series of burrow densities in plots on each island to compare temporal changes after rat eradication. Using Bayesian hierarchical modelling, after controlling for nesting habitat, we found that mean burrow density increased with time since rat eradication. Burrows remained clustered (i.e. spatially structured), but became more randomly distributed on islands with more time since eradication. Point density mapping indicated that colony extent increased with time since rat eradication, with colonies filling over 70% of surveyed areas on islands by 25 years after eradication. Increases in burrow density and colony area, but maintenance of clustered distribution, suggest both positive and negative density dependence may operate during colony expansion. Understanding patterns in petrel colony recovery is important, not only due to the indispensable role of petrels as island ecosystem engineers, reflecting the recovery of ecosystem functioning, but also to help guide post-eradication monitoring strategies.

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Translocations of eight species of burrow-nesting seabirds (genera Pterodroma, Pelecanoides, Pachyptila and Puffinus: Family Procellariidae)

Cited by 80 publications

References 19 publications

Seabird islands take mere decades to recover following rat eradication

Seabird islands take mere decades to recover following rat eradication

Breeding biology and population increase of the Endangered Bermuda Petrel Pterodroma cahow

Spatio-temporal changes in density and distribution of burrow-nesting seabird colonies after rat eradication

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