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The effects of substrate temperature on the reproductive success of Caretta caretta on a volcanic beach in the Mediterranean Sea

Vecchioni Luca, Citarrella Andrea, Cambera Irene, Di Gangi Antonella, D’Emanuele Dario, Ventura Lucia, Principato Elena, Visconti Giulia, Torri Marco, Faraone Francesco P., Arculeo Marco

Journal of Water and Land Development

2024

no. 61

30--38

A five-year of monitoring (2018-2022) of the loggerhead sea turtle Caretta caretta nests in “Pozzolana di Ponente” beach on Linosa Island (Pelagie Archipelago, Italy) is here reported. To explore how temperatures affect the hatching success and the possible occurrence of any malformation in hatchlings, incubation temperature values were recorded using data loggers positioned at depths of 5 and 35 cm (for each nest) from the surface, approximately 0.5 m from the nest chamber. The obtained results highlighted important issues related to the success of hatching and the incidence of body anomalies. The temperatures recorded at different depths near the nests (5 and 35 cm) in some periods of incubation of the eggs were above optimal development temperature (i.e., ~33°C), causing high mortality rates, especially during the first two years of the survey (2018-2019). In the next three years (2020-2022), the implementation of shading cover cloths of the nests increased the survival rate and decreased the incidence of malformed individuals. Furthermore, atmospheric temperature data were extrapolated from the “Copernicus Climate Change” web service and included in our analyses to assess any changes over the timeframe analysed. Over five years (2018-2022), the average atmospheric temperature increased slightly by 1.7°C. In light of global warming, the implementation of effective and low-cost mitigation activities, such as the use of shade cloth covers to protect the nests from overheating, should be considered a suitable conservation action.

Ochrona krajobrazu kulturowego na obszarach chronionej przyrody. Aspekty prawne i instrumenty wdrażania ochrony na przykładzie Drawieńskiego Parku Narodowego

Freino H.

Przestrzeń i Forma

2015

nr 24/1

177--194

Ochronę dziedzictwa kulturowego w obrębie kluczowych przestrzennych form chronionej przyrody nakazuje ustawa o ochronie przyrody i zgodnie z nią dla parków narodowych, rezerwatów przyrody i parków krajobrazowych sporządza się i realizuje plany ochrony. Zakres prac w tych dokumentach musi uwzględniać także wartości kulturowe. Wykonany w latach 2012–2013 Operat ochrony walorów kulturowych do projektu planu ochrony Drawieńskiego Parku Narodowego zostanie omówiony w niniejszym artykule.

The protection of cultural heritage within key spatial forms of nature conservation is a requirement of the Act on nature conservation. According to that Act, conservation plans have to be prepared for national parks, nature reserves and landscape parks. The scope of works within such documents must also address cultural values. The Report on the protection of cultural values for the purposes of the draft conservation plan for the Drawa National Park (Operat ochrony walorów kulturowych do projektu planu ochrony Drawieńskiego Parku Narodowego) will be discussed in this paper.