Averting co‐extinction: Successful mussel translocation rescues an endangered population of the European bitterling, Rhodeus amarus

2021 ◽  
Author(s):  
Andrzej Kamocki ◽  
Maria Urbańska ◽  
Urszula Biereżnoj‐Bazille ◽  
Małgorzata Ożgo
Keyword(s):  
Endangered Population

Eichen im Aargau – eine besondere Verantwortung für das Fricktal | Oak in the canton of Argovia – a special responsibility for the Fricktal

2003 ◽  
Vol 154 (7) ◽  
pp. 281-288
Author(s):  
Kurt Steck
Keyword(s):  
Simple Model ◽  
Genetic Resources ◽  
Forest Stands ◽  
Site Factor ◽  
Naturally Occurring ◽  
Ecological Aspects ◽  
Endangered Population ◽  
Middle Spotted Woodpecker ◽  
Special Responsibility ◽  
Important Site

A targeted nurturing of oak in the canton of Argovia goes against the natural development of forest stands where the dominant, naturally occurring species is beech. Because of this,afforestation with oak is both work intensive and costly and is therefore concentrated on sites where silvicultural, economical and ecological aspects have been taken into account. With the help of a simple model showing areas where, above all,oak is nurtured, comprehensively mapped forest stands were classed according to competitiveness and correlated to thermal levels, that represent an important site factor for oak. One important aspect surrounding the issue is the preservation of genetic resources and an adequate supply of appropriate seed from chosen autochthonal, indigenous oak stands. In addition,the endangered population of middle spotted woodpecker,which is tied to widespread sites of aged oak-rich deciduous stands, should be fostered. Taking ecological priorities into account a possible area to nurture oak has been demarcated in the Fricktal.

scholarly journals Prey, management and landscape requirements of an endangered population of the Woodlark Lullula arborea in Southwest Germany

2021 ◽  
Author(s):  
Verena Rösch ◽  
Pascal Aloisio ◽  
Martin H. Entling
Keyword(s):  
Food Resource ◽  
Bird Species ◽  
Ground Cover ◽  
Main Food ◽  
Vegetation Height ◽  
Endangered Population ◽  
Rhine Valley ◽  
Territory Selection ◽  
Main Food Source ◽  
Upper Rhine

AbstractVineyards can be valuable habitats for biodiversity conservation. For example, in Rhineland-Palatinate (Germany) over a third of the state’s critically endangered Woodlark (Lullula arborea) population breeds in vineyards along the western margin of the Upper Rhine Valley. We here aim to elucidate how local ground cover management, food availability and the proximity to settlements affect territory selection by this bird species in the region. As climate, site conditions and management differ greatly from more continental or Mediterranean wine-growing areas, conditions for Woodlark conservation may differ as well.We compared 26 Woodlark territories in vineyards with 26 nearby reference areas from which Woodlarks were absent. We recorded vineyard ground cover in the inter-rows (% cover) as well as vegetation height and composition (forbs vs. grasses). Arthropods were sampled using pitfall traps, since they are the main food resource of Woodlarks during the breeding season. In addition, the distance to built-up areas was measured. The vegetation in Woodlark territories was shorter (mean 14.2 vs. 19.6 cm) and more dominated by forbs (39% vs. 27% cover) than in absence areas. The vegetation cover in the inter-rows had no effect on Woodlark territory presence or absence. Woodlarks also favoured areas with a higher abundance of arthropods (mean abundance 69.1 vs. 57.5) and a greater distance to built-up areas (mean distance 554 vs. 373 m). We conclude that to promote the Woodlark in wine-growing areas, short, forb-rich swards should be created, facilitating arthropod detectability. This is likely to require low levels of nitrogen fertilization since fertilizers favour tall-growing grasses that outcompete forbs. Pesticide applications should be kept at a minimum to enhance arthropods as the main food source for Woodlarks and their chicks. In addition, the expansion of settlements into breeding areas of Woodlarks should be avoided.

Acoustics of male rutting roars in the endangered population of Mesola red deer Cervus elaphus italicus

2015 ◽  
Vol 80 (5) ◽  
pp. 395-400 ◽  
Author(s):  
Matteo Della Libera ◽  
Daniela Passilongo ◽  
David Reby
Keyword(s):  
Cervus Elaphus ◽  
Red Deer ◽  
Endangered Population

Low genetic variability in an endangered population of fiddler crab Uca arcuata on Okinawajima Island: analysis of mitochondrial DNA

2008 ◽  
Vol 74 (2) ◽  
pp. 330-340 ◽  
Author(s):  
Misuzu AOKI ◽  
Tohru NARUSE ◽  
Jin-Hua CHENG ◽  
Yasunari SUZUKI ◽  
Hideyuki IMAI
Keyword(s):  
Mitochondrial Dna ◽  
Genetic Variability ◽  
Fiddler Crab ◽  
Endangered Population

scholarly journals Parasite prevalence, infection intensity and richness in an endangered population, the Atlantic-Gaspésie caribou

2018 ◽  
Vol 7 (1) ◽  
pp. 90-94 ◽  
Author(s):  
Geneviève Turgeon ◽  
Susan J. Kutz ◽  
Manigandan Lejeune ◽  
Martin-Hugues St-Laurent ◽  
Fanie Pelletier
Keyword(s):  
Infection Intensity ◽  
Parasite Prevalence ◽  
Endangered Population

scholarly journals Genome-wide associations and functional gene analyses for endoparasite resistance in an endangered population of native German Black Pied cattle

BMC Genomics ◽  
2019 ◽  
Vol 20 (1) ◽  
Author(s):  
Katharina May ◽  
Carsten Scheper ◽  
Kerstin Brügemann ◽  
Tong Yin ◽  
Christina Strube ◽  
...  
Keyword(s):  
Functional Gene ◽  
Genome Wide ◽  
Endangered Population

First telemetry data on wild individuals from the threatened, isolated Italian otter (Lutra lutra) population

Mammalia ◽  
2019 ◽  
Vol 83 (5) ◽  
pp. 447-452
Author(s):  
Lorenzo Quaglietta ◽  
Romina Fusillo ◽  
Manlio Marcelli ◽  
Anna Loy ◽  
Luigi Boitani
Keyword(s):  
Southern Italy ◽  
Lutra Lutra ◽  
Telemetry Data ◽  
Eurasian Otter ◽  
Preliminary Information ◽  
Endangered Population ◽  
Direct Data ◽  
Sound Management ◽  
And Behavior ◽  
Effective Conservation

Abstract The Eurasian otter (Lutra lutra) is among the most endangered mammals in Italy, its population being isolated and genetically distinct from other European populations. Yet, its ecology and behavior are largely unknown in Italy, preventing its much-needed effective conservation. We radio-tracked one male and one female otter daily in Southern Italy, for 1 year and 8 months, respectively. The male and female used nearly 30 and 20 km of river, respectively. The extension of the ranges varied among seasons. The male was more conservative in its spatial utilization, being mostly located around a trout farm. These first direct data on space use by wild Italian otters provided preliminary information potentially useful for a sound management of this endangered population.

Reproductive output and ultrasonography of an endangered population of East Pacific green turtles

2011 ◽  
Vol 76 (4) ◽  
pp. 841-846 ◽  
Author(s):  
Gabriela S. Blanco ◽  
Stephen J. Morreale ◽  
Elizabeth Vélez ◽  
Rotney Piedra ◽  
Wilder M. Montes ◽  
...  
Keyword(s):  
Reproductive Output ◽  
Green Turtles ◽  
East Pacific ◽  
Endangered Population
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