A potential threat to amphibians in the European Natura 2000 network: Forecasting the distribution of the American bullfrog Lithobates catesbeianus

Johović, Iva; Gama, Mafalda; Banha, Filipe; Tricarico, Elena; Anastácio, Pedro M.

doi:10.1016/j.biocon.2020.108551

Cited by 20 publications

(17 citation statements)

References 44 publications

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“…The broad use of aquatic and terrestrial habitat resources also contradicts the view that non-native water frogs may have some habitat requirements that could limit their replacement of native taxa (Leuenberger et al 2014). Our findings also support the view that marsh frogs stand among the most successful amphibian invaders, such as cane toads (Shine 2010;Shine 2018), bullfrogs (Ficetola et al 2007;Johovic et al 2020), and African clawed frogs (Measey et al 2012).…”

Section: High Habitat Invasibilitysupporting

confidence: 51%

“…Almost all water bodies considered in the analyses showed high occupancy for invasive marsh frogs. This suggests an impressive invasibility of habitats by this IAS, which can explain its fast expansion over Western Europe (Dufresnes et al 2017) and ranks water frogs among the most successful amphibian invaders (Capinha et al 2017;Shine 2018;Johovic et al 2020). Their broad tolerance for a large variety of pond traits and surrounding landscapes as well as their preference for habitats which are considered favorable for native species also alarm for their potential impacts on native communities.…”

Section: Discussionmentioning

confidence: 92%

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High habitat invasibility unveils the invasiveness potential of water frogs

et al. 2022

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Determining the invasibility of habitats by alien species is crucial for understanding their spread potential, the habitats the most at risk and to implement adequate management actions. This is urgent for introduced taxa that show high invasion potential across broad geographical scales. We here assess these processes in invasive Pelophylax water frogs which are widespread colonizers across Western Europe and for which the invasibility of habitats remains to be quantified. Specifically, we used hierarchical occupancy models in a Bayesian framework to identify local-and landscape-scale features that can enhance occupancy of the most common invasive water frog, the marsh frog (P. ridibundus), in southern France. Water frogs were highly detectable and showed high occupancy across the invaded landscape. The invaders expressed a very broad habitat tolerance for both local-and landscape-scale variables while their invasion was facilitated by the occurrence of deep, permanent ponds with abundant aquatic vegetation and high sun exposure. Cross-validation showed a good transferability of models across space. The high invasibility of a wide range of habitats by Pelophylax water frogs is alarming and unveils their invasiveness, contributing therefore to explain their success of invasion over broad geographic scales.

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Section: High Habitat Invasibilitysupporting

confidence: 51%

Section: Discussionmentioning

confidence: 92%

High habitat invasibility unveils the invasiveness potential of water frogs

et al. 2022

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“…For example, Araújo et al (2011) found that most species occurring in Natura 2000 areas are likely to be threatened by climate change. Another study by Johovic et al (2020) found that, within the Natura 2000 network, suitable habitat for invasive American bullfrogs is likely to triplicate by 2050, potentially threatening protected amphibians.…”

Section: Introductionmentioning

confidence: 99%

Data sharing among protected areas shows advantages in habitat suitability modelling performance

Falaschi

Scali²,

Sacchi

2021

Wildl. Res.

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ContextMost of the effort dedicated to the conservation of biodiversity in the European Union is applied through the establishment and maintenance of the Natura 2000 network, the world’s most extensive network of conservation areas. European Member State must actively manage these sites and report the state of the species listed in the Annexes of the Habitat and Birds Directives. Fulfilling these duties is a challenging task, especially when money available for conservation is limited. Consequently, how to optimise the use of the available economic resources is a primary goal for reserve managers. AimsIn the present study, we focussed on data-sharing, and we analysed whether data-sharing among institutions may boost the performance of habitat suitability models (HSMs). MethodsWe collected presence data about three species of reptiles in three different protected areas of northern Italy. Then, we built HSMs under the following two different data-sharing policies: data-sharing of species’ occurrence among the different managers of the protected areas, and not sharing the occurrence data among the different managers. To evaluate how sharing the occurrence data influences the reliability of HSMs in various situations, we compared model performances under several sampling-effort levels. Key resultsResults show that data-sharing is usually the best strategy. In most cases, models built under the data-sharing (DS) strategy showed better performance than did data-un-sharing (DU) models. The data-sharing strategy showed advantages in model performance, notably at low levels of sampling effort. ConclusionsOvercoming administrative barriers and share data among different managers of protected areas allows obtaining more biologically meaningful results. ImplicationsData-sharing among protected areas could allow improving the reliability of future management actions within the Natura 2000 network.

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“…Amphibians are an important group of ectothermal animals that are particularly sensitive to global climate change and environmental conditions ( Trochet et al 2016 , Kestemont 2019 , Frishkoff et al 2019 , Préau et al 2019 , Chikhlyaev et al 2020 ). Climate change will change the geographical ranges of species and have an effect on dispersal capacity ( Duan et al 2016 , Johovic et al 2020 ). Changes in climate conditions in recent years have also affected growth, reproduction, phenology, survival, dispersal, distribution, parasitic relationships, competitive interactions and food availability for individuals ( Blaustein et al 2002 , Askenderov et al 2018 , Bosch et al 2018 , Lebedinskii et al 2019 , Vedernikov et al 2020 ).…”

Section: Introductionmentioning

confidence: 99%

Occurrence of the amphibians in the Volga, Don River basins and adjacent territories (Russia): research in 1996-2020

Ruchin¹,

Artaev²,

Sharapova³

et al. 2020

BDJ

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Knowledge about the distribution of living organisms on Earth is very important for many areas of biological science and understanding of the surrounding world. However, much of the existing distributional data are scattered throughout a multitude of sources, such as taxonomic publications, checklists and natural history collections and often, bringing them together is difficult. A very successful attempt to solve this problem is the GBIF project, which allows a huge number of researchers to publish data in one place in a single standard. Our dataset represents a significant addition to the occurrences of amphibians in the Volga, Don riverine basins and adjacent territories. The dataset contains up-to-date information on amphibian occurrences in the Volga river basin and adjacent territories, located for the most part on the Russian plain of European Russia. The dataset is based on our own studies that were conducted in the years 1996-2020. The dataset consists of 5,030 incident records, all linked to geographical coordinates. A total of 13 amphibian species belonging to nine genera and six families have been registered within the studied territory, although the distribution of amphibian species in this region of Russia has not yet been fully studied. This is especially relevant with the spread of cryptic species that can only be identified using molecular genetic research methods. The main purpose of publishing a database is to make our data available in the global biodiversity system to a wide range of users. The data can be used by researchers, as well as helping the authorities to manage their territory more efficiently. All occurrences are published in GBIF for the first time. Most of the data are stored in field diaries and we would like to make it available to everyone by adding it in the global biodiversity database (GBIF).

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A potential threat to amphibians in the European Natura 2000 network: Forecasting the distribution of the American bullfrog Lithobates catesbeianus

Cited by 20 publications

References 44 publications

High habitat invasibility unveils the invasiveness potential of water frogs

High habitat invasibility unveils the invasiveness potential of water frogs

Data sharing among protected areas shows advantages in habitat suitability modelling performance

Occurrence of the amphibians in the Volga, Don River basins and adjacent territories (Russia): research in 1996-2020

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