A highly endangered species on the edge: distribution, habitat use and outlook for Colias myrmidone in newly established Natura 2000 areas in Romania

2018 ◽  
Vol 22 (3) ◽  
pp. 2399-2414 ◽  
Author(s):  
Jacqueline Loos ◽  
Tibor-Csaba Vizauer ◽  
Agnes Kastal ◽  
Martin Davies ◽  
Hans Hedrich ◽  
...  
Oikos ◽  
2016 ◽  
Vol 126 (1) ◽  
pp. 73-81 ◽  
Author(s):  
Rocío Tarjuelo ◽  
Juan Traba ◽  
Manuel B. Morales ◽  
Douglas W. Morris

Author(s):  
Wojciech Gotkiewicz ◽  
Radosław Laszkowski

The aim of the article is to analyze the functioning of the agri-environmental-climate scheme as an instrument for the protection of agricultural landscape birds in the Natura 2000 area “OstojaPiska” in the Pisz district. Field research was carried out at the turn of 2017 and 2018 and covered 56 beneficiaries of the scheme. The basic research method was an interview using an interview questionnaire. The obtained results indicate that the most important motives for the respondents’ accession to the agri-environmentaclimate scheme and package 4 Valuable habitats and endangered species of birds in Natura 2000 areas and the "bird's" package were agri-environmental-climate payments as well as the relative ease and low costs of the package implementation. Research has shown that the scheme could be effective instrument contributing to the protection of avifauna areas used for agriculture, but it is not free from disadvantages, the most serious of which is the lack of verification of nature documentation, which may raise concerns about its reliability. It is also worth considering the introduction of obligatory tests that would answer the question of how the program affects the maintenance or increase of the number of individual bird species.


Oecologia ◽  
2018 ◽  
Vol 188 (4) ◽  
pp. 1273-1285 ◽  
Author(s):  
Elizabeth D. Hetherington ◽  
Jeffrey A. Seminoff ◽  
Peter H. Dutton ◽  
Lisa C. Robison ◽  
Brian N. Popp ◽  
...  

2013 ◽  
Vol 19 (4) ◽  
pp. 429-438 ◽  
Author(s):  
Amy L. Winnard ◽  
Julian Di Stefano ◽  
Graeme Coulson

1998 ◽  
Vol 8 (1) ◽  
pp. 59-65 ◽  
Author(s):  
Peter Njoroge ◽  
Leon A. Bennun ◽  
Luc Lens

SummaryWe examined and compared territoriality and habitat use of two congeneric babbler species in Kirinyaga district, central Kenya, with the aim of explaining their differences in global conservation status. Hinde's Babbler Turdoides hindei is a scarce, globally Endangered species whereas Northern Pied Babbler T. hypoleucus is much more abundant and widespread, and occurs throughout the range of Hinde's Babbler. Our findings suggested a lack of flexibility in the choice of habitat by Hinde's Babbler, whose territories were centred on a scarce habitat type: Lantana thickets in river valleys or near swamps. The two species showed similar daily foraging ranges but Hinde's Babbler occupied smaller group territories, whose size was not related to group size. Aggressive encounters between the two species occurred over shared feeding grounds, all of which were initiated and won by Hinde's Babbler. Its dependence on Lantana thickets makes Hinde's Babbler highly susceptible to further habitat loss within its range.


ZooKeys ◽  
2020 ◽  
Vol 929 ◽  
pp. 79-92
Author(s):  
César C. Cuevas ◽  
Rocío Sanhueza

Eupsophus migueli is considered a microendemic endangered species inhabiting the temperate Nothofagus forests of the Mahuidanche Range of southern Chile. However, this categorization is based on scarce data about its distribution and natural history. In order to assess these parameters, this article reports new geographic records obtained through intensive fieldwork between 2011 and 2016. Considering this, an updated distribution map for E. migueli is proposed, and new data about natural history traits and habitat use are provided. The information obtained in this study is discussed considering the zoogeographical importance of E. migueli, and confirms the species IUCN conservation status.


2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Gonzalo Araujo ◽  
Jessica Labaja ◽  
Sally Snow ◽  
Charlie Huveneers ◽  
Alessandro Ponzo

Abstract Whale shark (Rhincodon typus) tourism is increasingly popular at predictable aggregations around the world, but only a few use provisioning to ensure close interactions. Understanding the effects of provisioning on the behaviour of this endangered species is critical to manage this growing industry. We recorded the diving behaviour and habitat use of juvenile whale sharks (n = 4) for a mean of 49.5 provisioned and 33.8 non-provisioned days using temperature-depth-recorders. We found that time spent at the surface (< 2 m) between 6 am and 1 pm increased ~ sixfold, while timing of deep dives shifted from 4–10 am to 10 am–2 pm, i.e. near or at the end of the provisioning activities. The shift might be related to a need to thermoregulate following a prolonged period of time in warmer water. These changes could have fitness implications for individuals frequently visiting the provisioning site. Based on recorded amount of time spent in warm waters and published Q10 values for ectotherms, we estimate a 7.2 ± 3.7% (range 1.3–17.8%) higher metabolic rate when sharks frequent the provisioning site. The observed behavioural, habitat use, and potential fitness shifts should be considered when developing guidelines for sustainable tourism, particularly in light of new provisioning sites developing elsewhere.


2019 ◽  
Vol 2 ◽  
Author(s):  
Antoaneta Petrova ◽  
Diana Venkova ◽  
Irina Gerasimova

The Balkan sub-endemic species Dactylorhiza kalopissii E. Nelson is distributed in Bulgaria, Greece and North Macedonia. It has a local distribution and inhabits alkaline fens, wet meadows, and mountain rivulet banks. This orchid is a globally endangered species, included in Annex IIb of the Council Directive 92/43 EEC. It was first reported for Bulgaria in 1991 and until 2008 it was known only from this single locality in the country. Here we summarize the recent data on the distribution of the species in Bulgaria, the population numbers and their fluctuation in time. During the period 2008 - 2019 the species was found in more than ten localities of six floristic regions. Populations usually number less than 250 individuals. For some of the populations, data from recurrent observations are provided. We discuss the habitats and their management. The negative changes of the habitat quality during the last years for some of the localities are described as well. The species was evaluated as CR B1ab (iii) + 2ab (iii) according to the Red List of Bulgarian vascular plants. We reevaluate the status based on the improved knowledge. The species is still Critically Endangered in Bulgaria, but В2ab (iii, v) status better corresponds with recent data. Five of the known localities fall within the boundaries of Natura 2000 SCIs.


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