Tailoring Release Protocols to Individual Species and Sites: One Size Does Not Fit All

Moseby, Katherine E.; Hill, Brydie M.; Lavery, Tyrone H.

doi:10.1371/journal.pone.0099753

Cited by 61 publications

(63 citation statements)

References 43 publications

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“…While temporary holding is a practical necessity due to the time needed to capture a required cohort, and is also used to reduce the risks of disease transmission (Ewen, Armstrong, Empson, et al ., 2012), there is evidence that delaying release (even by four days instead of releasing immediately) decreases hihi post-release survival (Richardson et al ., 2013). The downsides of captivity for some species such as hihi question how “soft” such delayed releases are (Batson, Abbott and Richardson, 2015), and highlights that there may be a need to tailor reintroduction protocols on a species-by-species basis, while considering multiple benefits and costs of management strategies (Moseby, Hill and Lavery, 2014).…”

Section: Discussionmentioning

confidence: 99%

“…Further, there are other implications of delayed release and in some species it can lead to reduced post-release survival (Castro et al ., 1994; Richardson et al ., 2013) or increased stress (Batson et al ., 2017). Thus, the benefits of temporary captivity are likely species-specific (Moseby, Hill and Lavery, 2014) and a clear understanding of a variety of different advantages and disadvantages of this strategy (including social cohesion) are important to evaluate its use for the species in question (IUCN/SSC, 2013).…”

Section: Introductionmentioning

confidence: 99%

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Changes in social groups across reintroductions and effects on post-release survival

Franks

Andrews

Ewen

et al. 2018

Preprint

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18Reintroductions are essential to many conservation programmes, and thus much research has focussed 19 on understanding what determines the success of these translocation interventions. However, while 20 reintroductions disrupt both the abiotic and social environments, there has been less focus on the 21 consequences of social disruption. Therefore, here we investigate if moving familiar social groups may 22 help animals (particularly naïve juveniles) adjust to their new environment and increase the chances of 23 population establishment. We used social network analysis to study changes in group composition and 24 individual sociality across a reintroduction of 40 juvenile hihi (Notiomystis cincta), a threatened New 25Zealand passerine. We collected observations of groups before a translocation to explore whether social 26 behaviour before the reintroduction predicted associations after, and whether reintroduction influenced 27 individual sociality (degree). We also assessed whether grouping familiar birds during temporary 28 captivity in aviaries maintained group structure and individual sociality, compared to our normal 29 translocation method (aviaries of random familiarity). Following release, we measured if survival 30 depended on how individual sociality had changed. By comparing these analyses with birds that 31 remained at the source site, we found that translocation lead to re-assortment of groups: non-32 translocated birds maintained their groups, but translocated juveniles formed groups with both familiar 33 and unfamiliar birds. Aviary holding did not improve group cohesion; instead, juveniles were less likely 34 to associate with aviary-mates. Finally, we found that translocated juveniles that lost the most associates 35 experienced a small but significant tendency for higher mortality. This suggests sociality loss may have 36 represented a disruption that affected their ability to adapt to a new site. 37 65 (Blanchet, Clobert and Danchin, 2010; Pinter-Wollman et al., 2013). 67To understand how group structure and familiarity impacts on translocation success, we therefore first 68 need to determine if groups remain together when they are moved to a new site. One challenge in wild 69 animal groups is there may be limited knowledge of familiarity before translocation. For example, studies 70 in New Zealand bird species (tīeke/saddleback, Philesturnus carunculatus rufusater; toutouwai/North 71 Island robin, Petroica longipes) and howler monkeys (Alouatta seniculus) found that pre-capture 72 familiarity was not maintained over translocation (Armstrong, 1995; Armstrong and Craig, 1995; 73 Richard-Hansen, Vié and De Thoisy, 2000). However, these species are territorial, and the studies also 74 defined familiarity from short-term binary measures (individuals in the same place upon capture were 75 "familiar", versus "non-familiar"). When longer-term measures of familiarity have been used for more 76 social groups (such as families or colonies) there is evidence that group composition remains similar 77 b...

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Changes in social groups across reintroductions and effects on post-release survival

Franks

Andrews

Ewen

et al. 2018

Preprint

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“…Beyond more broadly reporting program outcomes in descriptive accounts, disentangling why some efforts fail and others succeed is essential to advancing the field [20]. This can be done by more frequently designing and implementing translocation efforts in an experimental manner to test questions that are identified a priori [25]. Armstrong and Seddon [26] provide an excellent overview of key broad questions that reintroduction biologists should address in order to produce a more strategic approach in the field.…”

Section: Test and Develop More Robust Best Practices Through Experimementioning

confidence: 99%

Improving Standards for At-Risk Butterfly Translocations

2018

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Abstract:The use of human mediated translocations has been an increasing component of many species recovery initiatives, including for numerous imperiled Lepidopteran species. Despite the identified need for this ex situ strategy, few such programs are conducted in a scientifically repeatable way, are executed with a structured decision-making process, are well documented throughout, or are documented only in gray literature. The International Union for Conservation of Nature's Guidelines for Reintroductions and Other Conservation Translocations are an important tool for conservation practitioners to help implement comprehensive translocation planning. These generalized guidelines are intended to be applicable to all taxa. Though there is a growing body of literature and supplementary guidelines for many vertebrate classes, other proposed standards fail to capture the specific biology of many invertebrate groups, like Lepidoptera. Here, we present a targeted list of detailed recommendations that are appropriate for Lepidopteran translocation programs to expand on the broad and tested guidelines developed by the IUCN. We assert that the increased standardization and repeatability among Lepidopteran translocations will improve the conservation outcomes.

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“…The potential for variability in the implementation of translocations is compounded by the complexity of translocations and the unpredictability of biological and behavioural responses to different methods (Miller et al . ; Seddon, Strauss & Innes ; Moseby, Hill & Lavery ). Therefore, increasing the conceptual and theoretical understanding of tactics could help to improve conservation outcomes by increasing the general quality of translocation processes.…”

Section: Introductionmentioning

confidence: 99%

REVIEW: Translocation tactics: a framework to support the IUCN Guidelines for wildlife translocations and improve the quality of applied methods

Batson

Gordon

Fletcher

et al. 2015

Journal of Applied Ecology

121

124

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1. Translocation is a popular conservation tool, but the outcomes are variable. Many tactics can be used to improve the probability of success, but a comprehensive summary of these does not exist. This increases the risk that valuable tactics will be overlooked, and inhibits effective communication. 2. We assess the diversity of 'translocation tactics' used in mammal and bird translocations, by reviewing the IUCN/SSC Guidelines for Reintroduction and other Conservation Translocations, 195 peer-reviewed articles and 73 case studies from the IUCN/SSC Global Reintroduction Perspectives Series. 3. We recorded descriptions of every technique used to influence the post-release performance of translocated wildlife. We developed the Translocation Tactics Classification System (TTCS) which defines a collection of 30 tactics and organize them into an ecologically relevant framework. We also assess the occurrence of tactics within the Guidelines, the primary literature and the case studies to evaluate how tactics are communicated within these mediums. 4. Our results indicate that the Guidelines are a valuable resource, but do not exhaustively cover tactics, and that detailed methodological accounts are rarely made publicly accessible. This highlights the need to develop context-specific resources to support the Guidelines, and to develop and exploit mediums that facilitate recording of methodological detail, the tactical rationale behind the design and evaluations of effectiveness. Although some forms of grey literature address this issue, the general lack of information limits the ability to investigate the relationship between tactics and translocation success. 5. Synthesis and applications. The Translocation Tactics Classification System (TTCS) provides a checklist which ensures that the full diversity of tactics is considered when developing translocation processes. Standardizing the communication of tactics, and encouraging detailed accounts of applied methodologies to be recorded, along with the tactical reasoning behind the design, will provide operational models and the data required to conduct broad-scale meta-analyses.

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Tailoring Release Protocols to Individual Species and Sites: One Size Does Not Fit All

Cited by 61 publications

References 43 publications

Changes in social groups across reintroductions and effects on post-release survival

Changes in social groups across reintroductions and effects on post-release survival

Improving Standards for At-Risk Butterfly Translocations

REVIEW: Translocation tactics: a framework to support the IUCN Guidelines for wildlife translocations and improve the quality of applied methods

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