Nest-site fidelity of the European pond turtle <i>Emys orbicularis</i> (LINNAEUS, 1758) (Testudines: Emydidae) in western Poland

Najbar, Bartłomiej; Szuszkiewicz, Ewa

doi:10.3409/000000007783995417

Cited by 20 publications

(11 citation statements)

References 2 publications

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“…The maximum distance between the nests of one turtle within two consequent years was 394 m (2005-2006, #14) and the minimum was 6.4 m (2005-2006, #8). Najbar and Szuszkiewicz (2007) found the maximum distance between laying sites to be 53.9 m, and the minimum to be 0.75 m, within two consequent years, while the average distance of the nest from the water body was only 77 m. In Tajba, the average distance of the nest from the meander river arm is 348.7 m, which is 4.5 times larger than that in the above study. In Belarus, the distance between the nest and the water body is between 12 and 30 m (Drobenkov, 2000).…”

Section: Discussioncontrasting

confidence: 55%

“…In his study, distances between nests in chronological order were taken into consideration. Similarly to Najbar and Szuszkiewicz (2007) and Mitrus (2006), we assumed that changes in the environment, such as those caused by farming, forest logging, or by natural changes, could cause changes in the behaviour of animals leading to subsequent changes in nest sites. Therefore, mutual distances of all nests were considered in the analysis.…”

Section: Discussionmentioning

confidence: 99%

“…It is also the only reptile classified by the Slovak Red list as "Critically endangered" (Kautman, Bartik and Urban, 2001). However, the published data differ in description of the nest site fidelity of the European pond turtle (Drobenkov, 2000;Meeske, Schneeweiss and Rybczynski, 2002;Mitrus, 2006;Najbar and Szuszkiewicz, 2007). The goal of this study is to describe behaviour of the European pond turtle during the egglaying period from the aspects of both time and location.…”

Section: Introductionmentioning

confidence: 92%

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Nest site fidelity in the Slovakian population of the European pond turtle Emys orbicularis

Bona

Novotný²,

Danko³

et al. 2012

Amphib Reptilia

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In many places in Europe, the pond turtle Emys orbicularis (Linnaeus, 1758) is an endangered species. Establishing its reproductive pattern is critical for the understanding and protection of this turtle. In this study, which took place from 1998 to 2009 in the Tajba National Nature Reserve, Slovakia (48 • 23 N, 21 • 47 E), are presented the results concerning the spatial and temporal aspects of nesting habits of individual turtles. From the total monitored group of 39 turtles, eight individuals which laid eggs more than four times during the whole study period were selected for statistical evaluation. It was found that five individuals from this group demonstrated a fidelity to the nesting area, and that the egg-laying period starts in mid-May and continues until late June. During the investigation, six turtles nested twice per year with an interval of about 24 days. The average distance between the nests of an individual turtle was close to 138 metres, and the distance of the nests from water was about 349 metres. The data obtained on the space and time requirements of the European pond turtle for successful reproduction are helpful to protect this species more efficiently, not only in the Tajba National Natural Reserve, but also in other similar sites in Europe.

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Section: Discussioncontrasting

confidence: 55%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 92%

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Nest site fidelity in the Slovakian population of the European pond turtle Emys orbicularis

Bona

Novotný²,

Danko³

et al. 2012

Amphib Reptilia

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“…In this area, the European pond turtle lays eggs on sandy and sunny slopes, overgrown by xerothermic vegetation (for details see: Najbar and Szuszkiewicz, 2007). Nesting sites were marked during oviposition.…”

Section: Methodsmentioning

confidence: 99%

“…In Poland, small water bodies are not frequent near nesting sites. Thus, the distances between nests and nearest water body are rather long: in western Poland distances of 69-270 m were recorded (Najbar and Szuszkiewicz, 2007), and in central Poland distances from a few meters to about 350 m (Mitrus, 2006a(Mitrus, , 2006b. Thus, at least in central Europe, overland migrations of turtle hatchlings after nest emergence can be long, and thus can have a significant infiuence on survival during the early life stages.…”

Section: Introductionmentioning

confidence: 99%

Migrations of hatchling European pond turtles (Emys orbicularis) after nest emergence

Najbar

Mitrus

2013

Amphib Reptilia

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Distances between nest sites of Emys orbicularis and the nearest water bodies can be long. We studied whether a longer distance could affect the probability of hatchling survival, migration time, and body mass loss. In our research area (Lubuskie district, westem Poland), nest sites were situated on a slope; the closest water body was in a distance of 72-290 m. Near the water body we constructed a 550 m long drift fence to recapture hatchlings migrating down the slope. We monitored 32 hatchlings from 7 different nests deposited in the years 2008-2010. The hatchlings started to emerge from their nests on 9 . Then, hatchlings were radiotracked using transmitters glued on their carapaces. Individuals (n = 20) recaptured near the fence travelled the distance between the nest site and the fence within 18-727 hours (O.75-~3O days). Hatchlings from nests situated only a short distance away (72-81 m) were recaptured in higher numbers, compared to those from nests situated further away (227-290 m). During the journey the hatchlings lost on average ~3.8% of their initial body mass. The hatchlings which migrated longer lose more of their initial body mass than those which migrated shorter.

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Impact of the traffic on a population of European pond turtles (Emys orbicularis) inhabiting heavily urbanized area at the city of Burgas

Natchev,

Telenchev,

Nedyalkov

et al. 2024

Discov Conserv

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We report on the impact of vehicle traffic on a local population of European pond turtles (Emys orbicularis) inhabiting the city of Burgas (Bulgaria). We performed a six-year monitoring program to collect data on the presence of turtles on road E 87 in the south region of the city. The road section splits a Natura 2000 site and crosses through an artificial water basin with fresh to brackish water. We visited the road section in irregular intervals from 3 to over 20 days in the period March to October from 2016 to 2021. For the period of the monitoring, we were able to detect a total of over 300 specimens from all ontogenetic stages (33 juveniles, 74 subadults and 224 adults). During our field surveys in 2016, we detected a total of 47 live and 23 dead adults. In the next years, we found more dead adult turtles than live ones. Similar results were recorded for subadults. In the juveniles, the dead specimens were almost equal to those which were detected alive. Our results indicate an impact of the traffic on the local population of E. orbicularis. We discuss the design and position of constructions, which can mitigate the conflict and reduce the potential for Wildlife-vehicle collisions (WVC).

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Nest-site fidelity of the European pond turtle Emys orbicularis (LINNAEUS, 1758) (Testudines: Emydidae) in western Poland

Cited by 20 publications

References 2 publications

Nest site fidelity in the Slovakian population of the European pond turtle Emys orbicularis

Nest site fidelity in the Slovakian population of the European pond turtle Emys orbicularis

Migrations of hatchling European pond turtles (Emys orbicularis) after nest emergence

Impact of the traffic on a population of European pond turtles (Emys orbicularis) inhabiting heavily urbanized area at the city of Burgas

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