Fettanalytik und Proteinquantifizierung wildlebender Reinanken aus dem Millstättersee

Fettsäureanalytik, Gesamtfettbestimmung, Proteinquantifizierung, Tocopherolquantifizierung, omega-3-Fettsäuren.Fatty acid analysis, Protein quantification, fat quantification, Tocopherol quantification, omega-3-fatty acids

Untersuchungen zur Landschneckenfauna (Mollusca: Gastropoda) des Nationalparks Thayatal

Die Landschneckenfauna des Nationalparks Thayatal wurde auf ausgewählten Flächen untersucht. Dabei konnten bei quantitativen Aufsammlungen 53 Arten, mit Handaufsammlungen und Barberfallenfängen 62 Arten an Waldstandorten und 35 Arten auf Trockenrasen nachgewiesen werden – zusammen 73 verschiedene Arten. Die zusätzliche Auswertung eines Genistes und Aufsammlungen im Rahmen des „Tages der Artenvielfalt“ erhöhte die Artenzahl auf 81. Die Artenzahl schwankte an den verschiedenen Standorten zwischen null und 32 Arten. Die wenigsten Arten wurden in unterwuchsfreien, totholzarmen Wäldern gefunden. Eine mittlere Artenzahl erbrachten die krautreicheren und totholzreicheren Waldgesellschaften. Die meisten Arten fanden sich auf den Blockschutthalden am Turmfelsen und am Granitzsteig und in den Austandorten. An den Trockenrasenstandorten wurden eine bis zu 20 Arten beobachtet. Die kalkreichen Standorte waren artenreicher

Revision of the subterranean genus Spelaeodiscus Brusina, 1886 (Gastropoda, Pulmonata, Spelaeodiscidae)

The Balkan genus Spelaeodiscus Brusina, 1886 is revised based on museum collections and newly collected samples from Montenegro and Albania. The following species and subspecies are introduced as new to science: Spelaeodiscus albanicus edentatus Páll-Gergely & P. L. Reischütz, ssp. n. (southern Montenegro and northern Albania), Spelaeodiscus densecostatus Páll-Gergely & A. Reischütz, sp. n., Spelaeodiscus hunyadii Páll-Gergely & Deli, sp. n., Spelaeodiscus latecostatus Páll-Gergely & Erőss, sp. n. (all three from southern Montenegro), Spelaeodiscus unidentatus acutus Páll-Gergely & Fehér, ssp. n., and Spelaeodiscus virpazarioides Páll-Gergely & Fehér, sp. n. (both from northern Albania). For all species and subspecies diagnoses and suggestions for conservation status assessments according to IUCN criteria are provided. An overview is given regarding the habitat preference of Spelaeodiscus species, and the “scratch and flotate” method to collect subterranean gastropods

Five times over: 42 new Angustopila species highlight Southeast Asia's rich biodiversity (Gastropoda, Stylommatophora, Hypselostomatidae).

The Southeast Asian genus Angustopila, currently comprising 13 nominal species, encompasses the world's tiniest land snails. This work shows that there are far more species than previously suspected, and that this genus is in fact, a very speciose group of tiny snails widely distributed in Southeast Asia. Angustopila is revised based on type material of known species as well as 211 samples newly collected in China, Laos, Myanmar, Thailand and Vietnam. Altogether, 53 species and one subspecies are recognised, of which 42 species and subspecies are new to science: A.akrodon Páll-Gergely & Hunyadi, sp. nov., A.apiaria Páll-Gergely & Hunyadi, sp. nov., A.apiostoma Páll-Gergely & Vermeulen, sp. nov., A.apokritodon Páll-Gergely & Hunyadi, sp. nov., A.antidomedon Páll-Gergely & Hunyadi, sp. nov., A.babel Páll-Gergely & Vermeulen, sp. nov., A.bathyodon Páll-Gergely & Hunyadi, sp. nov., A.bidentata Páll-Gergely & Jochum, sp. nov., A.cavicola Páll-Gergely & Dumrongrojwattana, sp. nov., A.cicatricosa Páll-Gergely & Vermeulen, sp. nov., A.coprologosuninodus Páll-Gergely & Grego, ssp. nov., A.erawanica Páll-Gergely & Dumrongrojwattana, sp. nov., A.fratermajor Páll-Gergely & Vermeulen, sp. nov., A.fraterminor Páll-Gergely & Vermeulen, sp. nov., A.gracilis Páll-Gergely & Hunyadi, sp. nov., A.halongensis Páll-Gergely & Vermeulen, sp. nov., A.hyron Páll-Gergely & Vermeulen, sp. nov., A.maasseni Páll-Gergely & Vermeulen, sp. nov., A.majuscula Páll-Gergely & Hunyadi, sp. nov., A.margaritarion Páll-Gergely & Hunyadi, sp. nov., A.megastoma Páll-Gergely & Vermeulen, sp. nov., A.occidentalis Páll-Gergely & Hunyadi, sp. nov., A.oostoma Páll-Gergely & Vermeulen, sp. nov., A.papaver Páll-Gergely & Hunyadi, sp. nov., A.parallela Páll-Gergely & Hunyadi, sp. nov., A.prolixa Páll-Gergely & Hunyadi, sp. nov., A.pusilla Páll-Gergely & Hunyadi, sp. nov., A.pustulata Páll-Gergely & Hunyadi, sp. nov., A.quadridens Páll-Gergely & Vermeulen, sp. nov., A.rara Páll-Gergely & Hunyadi, sp. nov., A.reticulata Páll-Gergely & Hunyadi, sp. nov., A.somsaki Páll-Gergely & Hunyadi, sp. nov., A.steffeki Páll-Gergely & Grego, sp. nov., A.tetradon Páll-Gergely & Hunyadi, sp. nov., A.thersites Páll-Gergely & Vermeulen, sp. nov., A.tonkinospiroides Páll-Gergely & Vermeulen, sp. nov., A.tridentata Páll-Gergely & Hunyadi, sp. nov., A.tweediei Páll-Gergely & Hunyadi, sp. nov., A.uvula Páll-Gergely & Hunyadi, sp. nov., A.vandevenderi Páll-Gergely & Jochum, sp. nov., A.vitrina Páll-Gergely & Hunyadi, sp. nov., A.vomer Páll-Gergely & Hunyadi, sp. nov., A.werneri Páll-Gergely & Hunyadi, sp. nov. Angustopilasubelevata Páll-Gergely & Hunyadi, 2015 is moved to the synonymy of Angustopilaelevata (F. G. Thompson & Upatham, 1997), and A.singuladentis Inkhavilay & Panha, 2016 is a junior synonym of A.fabella Páll-Gergely & Hunyadi, 2015. Three species, namely A.elevata, A.fabella and A.szekeresi, are widespread over several hundred kilometres while some other species (A.huoyani, A.parallelasp. nov., A.cavicolasp. nov.) are known from just two sites a few hundred kilometres apart. All others are small range or single-site endemics. The reproductive anatomy of A.erawanicasp. nov. is described

Species richness in dry grassland patches of eastern Austria: A multi-taxon study on the role of local, landscape and habitat quality variables

AbstractAccording to island biogeography theory, the species richness of patches is determined by their size and spatial isolation, while in conservation practice, it is patch quality that determines protection and guides management. We analysed whether size, isolation or habitat quality are most important for the species richness in a set of 50 dry grassland fragments in agricultural landscapes of eastern Austria. We studied two plant taxa (vascular plants, bryophytes) and 11 invertebrate taxa (gastropods, spiders, springtails, grasshoppers, true bugs, leafhoppers and planthoppers, ground beetles, rove beetles, butterflies and burnets, ants and wild bees). The species richness of three categories was analysed: (1) dry grassland specialist species, (2) all grassland species and (3) all species. We used regression and hierarchical partitioning techniques to determine the relationship between species richness and environmental variables describing patch size and shape, patch quality, landscape configuration and landscape quality. The area-isolation paradigm was only applicable for dry grassland specialists, which comprised 12% of all species. Richness of all grassland species was determined mostly by landscape heterogeneity parameters. Total species richness was highly influenced by spillover from adjacent biotopes, and was significantly determined by the percentage of arable land bordering the patches. When analysing all taxa together, species richness of dry grassland specialists was significantly related to historical patch size but not to current patch size, indicating an extinction debt. At the landscape scale, the variable ‘short-grass area’ was a better predictor than the less specific variable ‘area of extensively used landscape elements’. ‘Distance to mainland’ was a good predictor for specialists of mobile animal taxa. Plant specialists showed a pronounced dependence on quality measures at the patch scale and at the landscape scale, whereas animal specialists were influenced by patch size, patch quality, landscape quality and isolation measures. None of the taxa benefited from linear structures in the surroundings. In conclusion, high patch quality and a network of high-quality areas in the surrounding landscape should be the best conservation strategy to ensure conservation of dry grassland specialists. This goal does not conflict with the specific demands of single taxa

Genetic diversity of the pan-european freshwater mussel Anodonta anatina (bivalvia : unionoida) based on CO1 : new phylogenetic insights and implications for conservation

1. The duck mussel, Anodonta anatina, has been described as abundant and widespread in Europe. However, it is listed as near threatened or threatened in several countries owing to severe declines in abundance and/or spatial distribution. 2. Despite its potential ecological importance and conservation status almost nothing is known regarding its genetic diversity. 3. As a preliminary analysis, variation within the cytochrome oxidase 1 mitochondrial gene was determined from European specimens from Portugal in the south west, to Ukraine in the east, and Sweden in the north. 4. Three major mtDNA clades were retrieved: clade 1 includes all the individuals from Iberia, except those from the Ebro basin; clade 2 includes all the European non-Iberian and non-Italian samples; and clade 3 includes all the individuals from Italy and from the Ebro basin. AMOVA analysis revealed significant genetic differences among the three clades. Within each of the major clades, several geographically related haplogroups were also retrieved, especially in Iberia, where four genetically distinct groups (North-West, South-Central, South-West and Ebro) were revealed. 5. Given the evidence of regional declines of A. anatina in Europe, the confirmation of geographically distinct genotypes indicates a need for the development of management strategies directed towards the conservation of localized populationsThis work was supported financially by the Portuguese Foundation for Science and Technology (FCT) project PTDC/AAC-AMB/117688/2010, and partly by the European Regional Development Fund through COMPETE, under the project PEst-C/MAR/LA0015/2011. We would like to thank our collaborators who kindly provided us with tissue samples: Erika Bodis, Karel Douda, Oksana Stolyar, Arpad Benko-Kiss, Nicoletta Riccardi. Marianna Soroka and Larissa Yanovich gave us the exact locations of their previously sequenced animals. We thank Jose Maria Irurita, Jose Miguel Barea Azcon, Keiko Nakamura, Pablo Redin and Esther Penin for all their help during the Spanish field campaigns. Official capture and sampling licences were issued by Junta de Castilla y Leon (Consejeria de Fomento y Medio Ambiente EP/CYL/331/2012, de 17 de Abril de 2012); Junta de Andalucia (Consejeria de Medio Ambiente- SGYB/FOA/AFR/SFS, de 17 de Julio de 2012); Xunta de Galicia (Conselleria de Medio Ambiente- 539/2012 de 15 de Setembro de 2012); Gobierno de Aragon (Direccion General de Conservacion del Medio Natural- 136.071/2012 de 12 de Julio de 2012)

Revision of the subterranean genus Spelaeodiscus Brusina, 1886 (Gastropoda, Pulmonata, Spelaeodiscidae)

The Balkan genus Spelaeodiscus Brusina, 1886 is revised based on museum collections and newly collected samples from Montenegro and Albania. The following species and subspecies are introduced as new to science: Spelaeodiscus albanicus edentatus Páll-Gergely & P. L. Reischütz, ssp. n. (southern Montenegro and northern Albania), Spelaeodiscus densecostatus Páll-Gergely & A. Reischütz, sp. n., Spelaeodiscus hunyadii Páll-Gergely & Deli, sp. n., Spelaeodiscus latecostatus Páll-Gergely & Erőss, sp. n. (all three from southern Montenegro), Spelaeodiscus unidentatus acutus Páll-Gergely & Fehér, ssp. n., and Spelaeodiscus virpazarioides Páll-Gergely & Fehér, sp. n. (both from northern Albania). For all species and subspecies diagnoses and suggestions for conservation status assessments according to IUCN criteria are provided. An overview is given regarding the habitat preference of Spelaeodiscus species, and the “scratch and flotate” method to collect subterranean gastropods

Nineteen new species of Alycaeidae from Myanmar and Thailand (Gastropoda: Caenogastropoda: Cyclophoroidea)

FIGURE 18. Dicharax ataranensis (Godwin-Austen, 1914). Myanmar, Kayin State, Mudon centre ESE ca. 51 km, Htimahto NE, NE point of Kwooprai Hill, 30 m a.s.l. 16°2.396'N, 97°58.200'E (locality code: 2018/47), leg. A. Hunyadi, K. Okubo & J.U. Otani, 10 Oct. 2018, HA.Published as part of Páll-Gergely, Barna, Hunyadi, András, Grego, Jozef, Reischütz, Alexander & Auffenberg, Kurt, 2021, Nineteen new species of Alycaeidae from Myanmar and Thailand (Gastropoda: Caenogastropoda: Cyclophoroidea), pp. 1-61 in Zootaxa 4973 (1) on page 25, DOI: 10.11646/zootaxa.4973.1.1, http://zenodo.org/record/477195