26 research outputs found
Vorwort
Am 23. Mai 2007 fand im Max-Behr-Haus der Staatlichen Vogelschutzwarte in Steckby die Festveranstaltung â75 Jahre Staatlicher Vogelschutz in Sachsen-Anhaltâ statt. Die auf dieser Festveranstaltung gehaltenen GruĂworte von Petra Wernicke (Ministerin fĂŒr Landwirtschaft und Umwelt des Landes Sachsen- Anhalt), Christoph Sudfeldt (GeschĂ€ftsfĂŒhrer Dachverband Deutscher Avifaunisten) und Hemut Opitz (VizeprĂ€sident Naturschutzbund Deutschland), wurden der vorliegenden, ebenfalls diesem JubilĂ€um gewidmeten BroschĂŒre vorangestellt. Die daran anschlieĂenden BeitrĂ€ge beschĂ€ftigen sich insbesondere mit der Geschichte der Staatlichen Vogelschutzwarte Steckby sowie dem Wirken ihrer Mitarbeiter in der Gegenwart
Vogelmonitoring in Sachsen-Anhalt
Das Beobachten und ZĂ€hlen von Vögeln hat in Sachsen-Anhalt, insbesondere in Anhalt, eine lange Tradition. Bis zur Zusammenstellung einer regionalen Avifauna auf der Grundlage gesammelter Daten fĂŒr ein bestimmtes Gebiet verging dann aber noch eine geraume Zeit (Borchert 1927). Jedoch ist bereits seit 1925 in den Steckbyer Forsten auf gröĂeren mit NistkĂ€sten ausgestatteten FlĂ€chen jĂ€hrlich die Vogelbesiedlung von HöhlenbrĂŒtern bei gleichzeitiger Kontrolle des Bestandes forstschĂ€digender Insekten ermittelt worden (HĂ€hnle 1933, 1936). Dieser Langzeit-Vogelschutzversuch Steckby, der durch aus Monitoringcharakter aufweist, wird bis in die Gegenwart fortgefĂŒhrt
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Notes on the behaviour, plumage and distribution of the White-tailed Swallow Hirundo megaensis
The White-tailed Swallow Hirundo megaensis is a threatened and poorly known bird endemic to southern Ethiopia, where it is restricted to a small area of Acacia savanna. Despite the paucity of previous nest records, we found 67 nests in the years 2010â14, commonly in village huts lived in by people, and report the first confirmation of nesting (two certain records) in termite mounds. Its nests are small mud cups lined with grass and animal hair, fixed to roof joists and similar to those of its sister species, the Pearl-breasted Swallow H. dimidiata of southern Africa, although it appears to lay larger clutches (3â4 pure white eggs) and breed less frequently, producing one brood in each of its two rain-driven breeding seasons (AprilâJune and OctoberâNovember). The same nests are reportedly used in these two seasons, presumably by the same pairs. Incubation lasts 16â17 days, with some broods showing clearly smaller chicks and hence presumably asynchronous hatching. Study of nestlings in the hand and museum skins confirmed that juveniles can be determined by their shorter tails, browner heads and frequently also wings, and reduced white in the tail. Although birds are typically seen singly or in pairs, flocks of up to 50, sometimes mixed with other hirundines, can occur. The breeding range appears to be almost identical to that of the Ethiopian Bush-crow Zavattariornis stresemanni but regular sightings of White-tailed Swallows since 2005 at the Liben Plain, 120 km to the east of the core area, suggest that the birds are frequent visitors there.We are grateful to the numerous funding bodies which have supported this research over several years: NERC, RSPB, British Birdfair, African Bird Club, British Ornithologistsâ Union, Gesellschaft fĂŒr Tropenornithologie, Tim Whitmore Zoology Fund, Magdalene College (Cambridge), Cambridge Philosophical Society, and BirdLife Preventing Extinctions Programme; and especially to Julian Francis. We also thank Robert Prys-Jones at the Natural History Museum (NHMUK) for access to specimens; Les Colley for his photograph used in Fig. 5; Stefanie Rick for her excellent drawings used in Fig. 9; Steve Rooke (Sunbird Tours), Bernard, Willem and Sjoerd Oosterbaan, Simon Busuttil, Merid Gabremichael and Claire Spottiswoode for providing additional information and sightings; Alazar Dakar, Abiy Dange, Birhan Dessalegn, Solomon Desta, Okotu Dida, Ali Guche, Sam Jones, Gufu Kashina, Stuart Marsden, Tesfaye Mekonnen, Samson Zelleke and many others including all the staff of Borana National Park for help with fieldwork; Angela Turner and John Atkins for their services as referees; and the Borana villagers who so kindly allowed us into their homes to study the White-tailed Swallowâs nests and without whose hospitality our knowledge of this species would be much poorer.This is the author accepted manuscript. The final version is available from African Bird Club
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Further notes on the natural history of the Ethiopian Bush-crow Zavattariornis stresemanni
The Ethiopian Bush-crow Zavattariornis stresemanni is a charismatic and Endangered endemic bird of southern Ethiopia, whose general biology remains under-studied. We present field notes and observations from 2008 to 2014, covering many aspects of the speciesâ behaviour and morphology. Bush-crows breed co-operatively in response to both of the local rainy seasons, but group size and fidelity of helpers appears to be variable. Bush-crow nests were found for the first time on man-made structures; a low power distribution pole and a tall electricity pylon. The display of one bush-crow to another is further described. Juveniles can be identified by darker coloration around the face, bright red gapes and distinctive begging calls. Adults possess lightweight, low-density body feathers and it appears that bush-crows have a moult phenology that overlaps extensively with breeding, a trait unusual in birds. Post-breeding dispersal is often limited, although anecdotal evidence and a handful of observations suggest that some individuals cover greater distances between breeding seasons. We report the first confirmed predation of a bush-crow, and supplement this with notes on other interspecific interactions. Finally, bush-crows were found for the first time north-west of Yabello (a small range extension), and we discuss the implications of local movements and range fluctuations in the context of the speciesâ apparent climatic range limitation.This is the author accepted manuscript. The final version is available from African Bird Club via https://www.africanbirdclub.org/bulletins/abc-bulletin-231-march-2016/further-notes-natural-history-ethiopian-bush-cro
Die Tierwelt der Karstlandschaft SĂŒdharz
Die vielgestaltigen Habitate der SĂŒdharzer Karstlandschaft bieten einer artenreichen Tierwelt Lebensraum. Zwar sind aus dem SĂŒdharz eine Vielzahl von Angaben zu den verschiedensten Tierarten bekannt, systematische Untersuchungen begannen aber erst in der jĂŒngsten Zeit. Fast alle Daten wurden von Einzelpersonen zusammengetragen. Eine Zusammenstellung fĂŒr den gesamten Harz, der auch alle verfĂŒgbaren Meldungen zum SĂŒdharz enthĂ€lt, wurde 1997 mit dem Arten- und Biotopschutzprogramm "Landschaftsraum Harz" vom Landesamt fĂŒr Umweltschutz veröffentlicht
Identification of regulatory variants associated with genetic susceptibility to meningococcal disease.
Non-coding genetic variants play an important role in driving susceptibility to complex diseases but their characterization remains challenging. Here, we employed a novel approach to interrogate the genetic risk of such polymorphisms in a more systematic way by targeting specific regulatory regions relevant for the phenotype studied. We applied this method to meningococcal disease susceptibility, using the DNA binding pattern of RELA - a NF-kB subunit, master regulator of the response to infection - under bacterial stimuli in nasopharyngeal epithelial cells. We designed a custom panel to cover these RELA binding sites and used it for targeted sequencing in cases and controls. Variant calling and association analysis were performed followed by validation of candidate polymorphisms by genotyping in three independent cohorts. We identified two new polymorphisms, rs4823231 and rs11913168, showing signs of association with meningococcal disease susceptibility. In addition, using our genomic data as well as publicly available resources, we found evidences for these SNPs to have potential regulatory effects on ATXN10 and LIF genes respectively. The variants and related candidate genes are relevant for infectious diseases and may have important contribution for meningococcal disease pathology. Finally, we described a novel genetic association approach that could be applied to other phenotypes
Kinser, A. & H. Frh. v. MĂŒnchhausen (Hrsg.) (2012): Der Schreiadler im Sturzflug : Erkenntnisse und HandlungsansĂ€tze im Schreiadlerschutz
Der Tagungsband zum 1. Schreiadlersymposium enthĂ€lt acht FachbeitrĂ€ge, die sich mit dem Schutz der in Deutschland stark gefĂ€hrdeten Art beschĂ€ftigen. Anders als etwa bei Fisch- und Seeadler, deren BestĂ€nde sich in Deutschland in den letzten Jahrzehnten erfreulich positiv entwickelt haben, sind die Zukunftsaussichten fĂŒr den Schreiadler schlecht. Der Bestand ist von 130 bis 135 Brutpaaren zu Beginn der 1990er Jahre auf 102 Brutpaare im Jahr 2010 gesunken und ohne massive Anstrengungen ist mit einem weiteren RĂŒckgang zu rechnen