Dennis Rödder
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View article: Assessment of the threat status of bird species from Vietnam – Implementation of the One Plan Approach to conservation
Assessment of the threat status of bird species from Vietnam – Implementation of the One Plan Approach to conservation Open
Globally, 13% of the 11,188 bird species evaluated by the IUCN Red List face extinction risk, with nearly half experiencing population declines. Approximately 187 bird species have gone extinct or are suspected to be extinct since 1500. Vi…
View article: Sticky Innovation, Limited Expansion: Biogeography and Evolutionary Ecology of Toepads in Geckos
Sticky Innovation, Limited Expansion: Biogeography and Evolutionary Ecology of Toepads in Geckos Open
Aim This study investigates the evolutionary diversification and ecological significance of adhesive toepads in geckos. It examines how different toepad configurations (absent, basal, distal and fanlike) have evolved and relate to macroeco…
View article: Assessment of the Threat Status of Bent‐Toed Geckos (<i>Cyrtodactylus</i>) in Indochina: Implementation of the One Plan Approach
Assessment of the Threat Status of Bent‐Toed Geckos (<i>Cyrtodactylus</i>) in Indochina: Implementation of the One Plan Approach Open
Cyrtodactylus is the most diverse genus of the family Gekkonidae, as well as the third‐largest vertebrate genus worldwide. In this study, we investigate the diversity, conservation status, and distribution of species within the genus Cyrto…
View article: Amphibians and Reptiles of Ethiopia—Biogeography, Conservation Priority Areas, and Potentials for “One Plan Approach” Conservation Measures
Amphibians and Reptiles of Ethiopia—Biogeography, Conservation Priority Areas, and Potentials for “One Plan Approach” Conservation Measures Open
Ethiopia, as one of 36 global hotspots of biodiversity, provides diverse habitats for a variety of species, but little research about the herpetofauna of the country is available. Worldwide, especially amphibians but also reptiles, are thr…
View article: Evaluating the impact of climate change on mountaintop endemic bird species in the Ethiopian highlands: insights from moorland francolin (Scleroptila psilolaema)
Evaluating the impact of climate change on mountaintop endemic bird species in the Ethiopian highlands: insights from moorland francolin (Scleroptila psilolaema) Open
Anthropogenic climate change poses a profound threat to global biodiversity, particularly to the unique flora and fauna of highland ecosystems within biodiversity hotspots. We used ensemble species distribution modeling to assess the curre…
View article: Slipped through the narrow door: Effects of climate change on the distribution and conservation of a vulnerable tiger gecko, Goniurosaurus luii, from China and Vietnam
Slipped through the narrow door: Effects of climate change on the distribution and conservation of a vulnerable tiger gecko, Goniurosaurus luii, from China and Vietnam Open
Under human impacts, the global effects of climate change are exacerbating the biodiversity crisis with an anticipated high level of extinction risk for many species. As a range-restricted tropical specialist existing in small and fragment…
View article: Gaps in the Protection of the Reptiles of Myanmar—Threat Status, Endemism, Protected Area Coverage, and One Plan Approach Conservation
Gaps in the Protection of the Reptiles of Myanmar—Threat Status, Endemism, Protected Area Coverage, and One Plan Approach Conservation Open
Herein, we improve the knowledge about Burmese terrestrial reptile diversity and its distribution with focus on threatened and endemic species providing recommendations for improved conservation measures. Out of the 212 assessed species, 2…
View article: The relative influence of habitat density, landscape configuration and spatial sorting on population expansion: a simulation test
The relative influence of habitat density, landscape configuration and spatial sorting on population expansion: a simulation test Open
Context Population expansion into new areas is a common phenomenon resulting from changes in ecological conditions or human-assisted introduction. In the latter case, populations spread into areas where they did not evolve causing various …
View article: Biogeographic Patterns of Iranian Lepidoptera: A Framework for Conservation
Biogeographic Patterns of Iranian Lepidoptera: A Framework for Conservation Open
Aim The contact zone of three zoogeographic realms, the Palearctic, Saharo‐Arabian and Oriental, is an evolutionary cradle of high species richness and endemism in Iran. In this study, we investigate statistically inferred bioregions of Le…
View article: Integrating Spatially‐Explicit and Genetic Analyses to Identify Conservation Priorities for <i>Bufo eichwaldi</i> (Amphibia: Anura) in the Hyrcanian Forest
Integrating Spatially‐Explicit and Genetic Analyses to Identify Conservation Priorities for <i>Bufo eichwaldi</i> (Amphibia: Anura) in the Hyrcanian Forest Open
Bufo eichwaldi (Amphibia: Anura) is a toad species endemic to the Hyrcanian forests of northern Iran and southeastern Azerbaijan, increasingly threatened by anthropogenic pressures, underscoring the urgent need for conservation measures. W…
View article: Gaps in the protection of the amphibians of Myanmar—threat status, endemism, protected area coverage and One Plan Approach conservation
Gaps in the protection of the amphibians of Myanmar—threat status, endemism, protected area coverage and One Plan Approach conservation Open
Currently, 41% of amphibian species are threatened with extinction, leading to the ongoing amphibian crisis. In Myanmar, the amphibian diversity is still poorly understood, and, as a result, many conservation gaps remain. To increase the k…
View article: Conservation priorities for threatened mammals of Vietnam: Implementation of the IUCN´s One Plan Approach
Conservation priorities for threatened mammals of Vietnam: Implementation of the IUCN´s One Plan Approach Open
Vietnam belongs to one of the most well-known global biodiversity hotspots. However, its biodiversity is being threatened by multiple factors such as rapid growth of the human population, habitat destruction, overexploitation, and climate …
View article: Distinct management units for the Critically Endangered angelshark (Squatina squatina) revealed in the Canary Islands
Distinct management units for the Critically Endangered angelshark (Squatina squatina) revealed in the Canary Islands Open
The angelshark, Squatina squatina , is listed as Critically Endangered on the IUCN Red List of Threatened Species, and remaining populations are highly fragmented throughout its historical distribution. The Canary Islands archipelago in th…
View article: Distinct management units for the Critically Endangered angelshark (Squatina squatina) revealed in the Canary Islands
Distinct management units for the Critically Endangered angelshark (Squatina squatina) revealed in the Canary Islands Open
The angelshark, Squatina squatina, is listed as Critically Endangered on the IUCN Red List of Threatened Species and remaining populations are highly fragmented throughout its historical distribution range. The Canary Islands archipelago i…
View article: Microclimatic Growth Rates of Batrachochytrium salamandrivorans under Current and Future Climates: A Very High Spatial Resolution SDM for Bsal and Salamandra salamandra (Linnaeus, 1758) within Forest Habitats of the European Hotspot Area
Microclimatic Growth Rates of Batrachochytrium salamandrivorans under Current and Future Climates: A Very High Spatial Resolution SDM for Bsal and Salamandra salamandra (Linnaeus, 1758) within Forest Habitats of the European Hotspot Area Open
Chytridiomycosis is one of the greatest threats to the diversity of amphibians worldwide. Caused by the chytrid fungus Batrachochytrium salamandrivorans (Bsal), it plays a decisive role in species declines. Bsal is particularly harmful to …
View article: Prioritising Ex Situ Conservation for Malagasy Mammal Species in Line with IUCN’s ‘One Plan Approach to Conservation’
Prioritising Ex Situ Conservation for Malagasy Mammal Species in Line with IUCN’s ‘One Plan Approach to Conservation’ Open
Madagascar, as one of the global biodiversity hotspots, hosts numerous unique terrestrial mammal species that need urgent protection. To identify priority species for conservation, an updated list of terrestrial Malagasy mammal species was…
View article: High freshwater turtle occupancy of streams within a sustainably managed tropical forest in Borneo
High freshwater turtle occupancy of streams within a sustainably managed tropical forest in Borneo Open
Despite suffering dramatic declines due to habitat loss and overexploitation, tortoises and freshwater turtles in Southeast Asia remain understudied. Sustainable forest management offers a promising approach for advancing the conservation …
View article: Exploring Paleogene Tibet's warm temperate environments through target enrichment and phylogenetic niche modelling of Himalayan spiny frogs (Paini, Dicroglossidae)
Exploring Paleogene Tibet's warm temperate environments through target enrichment and phylogenetic niche modelling of Himalayan spiny frogs (Paini, Dicroglossidae) Open
The Cenozoic topographic development of the Himalaya‐Tibet orogen (HTO) substantially affected the paleoenvironment and biodiversity patterns of High Asia. However, concepts on the evolution and paleoenvironmental history of the HTO differ…
View article: Extensive mismatch between protected areas and biodiversity hotspots of Iranian Lepidoptera
Extensive mismatch between protected areas and biodiversity hotspots of Iranian Lepidoptera Open
Amidst the era of rapid decline in insect diversity, the role of protected areas (PAs) in conserving current insect diversity is more significant than ever. Previous studies indicate that the species‐diverse regions in Iran fall within two…
View article: Ecologically‐related variation of digit morphology in <i>Cyrtodactylus</i> (Gekkota, Squamata) reveals repeated origins of incipient adhesive toepads
Ecologically‐related variation of digit morphology in <i>Cyrtodactylus</i> (Gekkota, Squamata) reveals repeated origins of incipient adhesive toepads Open
Exploitation of different locomotor substrates in different ecological niches has driven the evolution of specialized morphological structures, and similar ecological demands, such as the structure of the microhabitat, often lead to conver…
View article: Influences of ski‐runs, meadow management and climate on the occupancy of reptiles and amphibians in a high‐altitude environment of Italy
Influences of ski‐runs, meadow management and climate on the occupancy of reptiles and amphibians in a high‐altitude environment of Italy Open
Alpine ecosystems harbour a rich and highly specialised biodiversity, which is particularly susceptible to anthropogenic disturbances such as habitat loss and fragmentation as well as to climate change. Combined with other forms of land‐us…
View article: Large-landscape connectivity models for pond-dwelling species: methods and application to two invasive amphibians of global concern
Large-landscape connectivity models for pond-dwelling species: methods and application to two invasive amphibians of global concern Open
Context Functional connectivity models are essential in identifying major dispersal pathways and developing effective management strategies for expanding populations of invasive alien species. However, the extrapolation of models parameter…
View article: Climatic niche modelling and genetic analyses highlight conservation priorities for the Spotted Softshell Turtle (Pelodiscus variegatus)
Climatic niche modelling and genetic analyses highlight conservation priorities for the Spotted Softshell Turtle (Pelodiscus variegatus) Open
The Spotted Softshell Turtle ( Pelodiscus variegatus ) has been recognised since 2019 from Vietnam and Hainan Island, China, but little information about its population status and distribution range is currently available. The species has …
View article: A window to the future: effects of climate change on the distribution patterns of Iranian Zygaenidae and their host plants
A window to the future: effects of climate change on the distribution patterns of Iranian Zygaenidae and their host plants Open
Climate change has been suggested as an important human-induced driver for the ongoing sixth mass extinction. As a common response to climate change, and particularly global warming, species move toward higher latitudes or shift uphill. Fu…
View article: Ecomorphology of the Locomotor Apparatus in the Genus Cyrtodactylus (Gekkota, Squamata)
Ecomorphology of the Locomotor Apparatus in the Genus Cyrtodactylus (Gekkota, Squamata) Open
Adaptive radiations garner considerable interest from evolutionary biologists. Lizard radiations diversifying along structural niche space often exhibit distinct changes in body and limb proportions. One prediction is that terrestrial spec…
View article: What happens in ice age, does not stay in ice age: Phylogeography of Bombus terrestris revealed a low genetic diversity amongst the Eurasian populations
What happens in ice age, does not stay in ice age: Phylogeography of Bombus terrestris revealed a low genetic diversity amongst the Eurasian populations Open
The objective of this research was to assess the genetic diversity and phylogeography of Bombus terrestris and examine the historical events that shaped its contemporary genetic structures using the COI mitochondrial marker. Specimens of t…
View article: Comparative success of two sampling techniques for high-altitude Alpine grassland reptiles under different temporal designs
Comparative success of two sampling techniques for high-altitude Alpine grassland reptiles under different temporal designs Open
Monitoring of wildlife populations is essential for their conservation and requires a carefully chosen methodology. We compared survey effectiveness of reptiles using coverboards and visual encounter surveys in two study sites in the Itali…
View article: Tadpole morphological characterization of Ranitomeya variabilis (Zimmermann & Zimmermann, 1988) (Anura: Dendrobatidae), with skeleton, muscle system and inner organs
Tadpole morphological characterization of Ranitomeya variabilis (Zimmermann & Zimmermann, 1988) (Anura: Dendrobatidae), with skeleton, muscle system and inner organs Open
In this study, we morphologically examine larval specimens of Ranitomeya variabilis , which were breed in captivity and genetically determined to belong to the French Guiana population. We provide detailed data on the external morphology, …
View article: Variation in claw morphology among the digits of Bent-toed geckos (Cyrtodactylus: Gekkota: Gekkonidae)
Variation in claw morphology among the digits of Bent-toed geckos (Cyrtodactylus: Gekkota: Gekkonidae) Open
Background Ecomorphological studies of lizards have increasingly employed comparison of claw morphology among species in relation to spatial niche use. Typically, such studies focus on digit IV of the autopodia, especially the pes. Uniform…
View article: Assessment of the threat status of reptile species from Vietnam - Implementation of the One Plan Approach to Conservation
Assessment of the threat status of reptile species from Vietnam - Implementation of the One Plan Approach to Conservation Open
Since the world is currently in the midst of a major biodiversity crisis, scientists have assigned high conservation priority to 36 biodiversity hotspots around the world. As part of one of the leading hotspots in terms of species richness…