Frog breeding pond selection in response to predators and conspecific cues

Ethology ◽  
2017 ◽  
Vol 123 (5) ◽  
pp. 397-404 ◽  
Author(s):  
Valerie L. Buxton ◽  
Michael P. Ward ◽  
Jinelle H. Sperry

Copeia ◽  
1951 ◽  
Vol 1951 (1) ◽  
pp. 81 ◽  
Author(s):  
L. C. Finneran


Author(s):  
Wen Yuan Chen ◽  
Rong Hung Sun ◽  
Yuan Shan Chen


Author(s):  
Charles Peterson ◽  
Stephen Spear

Due to the current trend of amphibian declines (Wake 1998, Alford and Richards 1999, Semlitsch 2000), the monitoring and study of amphibian populations has become increasingly necessary. To properly do such studies, we must consider several issues. Some of these include the detectability of the species at a site, current status of the population, and the spatial scale for sampling of a population. Determining the detectability of a species is important to consider because some amphibian species may have different difficulties of detection. Therefore, if a species is difficult to observe, it may occupy a greater number of sites than a survey indicates (MacKenzie et al. 2002). The appropriate spatial scale is also important for monitoring studies. For example, in a pond breeding amphibian, do one or two breeding ponds with the appropriate terrestrial habitat constitute the correct sampling area for a population, or does a population utilize multiple ponds within a larger terrestrial area? If the sampling scale is not appropriate, then any conclusions made may be inaccurate (Wiens 1989). In addition, understanding the terrestrial habitat use of pond breeding amphibians is important for both monitoring and conservation reasons. Many pond-breeding amphibians use the ponds for breeding and then utilize terrestrial zones around the pond for the rest of the year. The total area that is encompassed by these terrestrial zones is known as the terrestrial "buffer zone" or core habitat area for that population (Semlitsch 1998). To identify these core habitat areas, we must know not only the distance that the amphibians physically move from the breeding pond, but also the type of habitat that they will use. For example, short, steep slopes or rivers can serve as a barrier to amphibian movement (Laan and Verboom 1990, Storfer 1999), even if they are within the movement range of a population. Understanding individual movement may also give insights into the spatial population structure of the species. If we can identify the average distance of movement, we can then extrapolate if a breeding pond is likely to have an isolated subpopulation based on its distance from other ponds.



2016 ◽  
Vol 28 (1) ◽  
pp. 174-185 ◽  
Author(s):  
Alex Grendelmeier ◽  
Raphaël Arlettaz ◽  
Juanita Olano-Marin ◽  
Gilberto Pasinelli




2020 ◽  
Vol 133 (3) ◽  
pp. 235-245
Author(s):  
Andrew J. Campomizzi ◽  
Zoé M. Lebrun-Southcott ◽  
Kristyn Richardson

Shed-like structures are being built to provide Barn Swallow (Hirundo rustica erythrogaster) nesting habitat in response to population declines. However, Barn Swallow use of these structures is unavailable in the literature. We conducted three manipulative experiments to test if adding conspecific cues (i.e., vocalizations and decoys) to newly-built structures affected prospecting visits by Barn Swallows (1) during pre-breeding, (2) during post-breeding, and (3) during or after broadcasts of vocalizations compared to before broadcasts. Additionally, we monitored nesting following pre- and post-breeding cues. We built one nesting structure with and one without conspecific cues at each of 10 study sites in southern Ontario, Canada where nesting habitat was recently lost. We detected about twice as many Barn Swallows immediately after conspecific broadcasts compared to before. We did not find substantial differences in abundance and interactions with new nesting structures for other comparisons involving conspecific cues. Following pre-breeding cues at 10 sites, six nests were built in three of 10 structures treated with conspecific cues, compared to five nests in four of 10 structures without cues. In the subsequent breeding season following post-breeding cues at eight sites, four nests were built in two of eight structures treated with conspecific cues, compared to four nests in three of eight structures without cues. Conspecific vocalizations appeared to increase prospecting behaviour, but not the number of nests, at new nesting structures. The paucity of nests on new structures suggests that building shed-like structures may not be an effective method of mitigating loss of nesting habitat.



PLoS ONE ◽  
2015 ◽  
Vol 10 (9) ◽  
pp. e0138016 ◽  
Author(s):  
Maximilian Drakeley ◽  
Oriol Lapiedra ◽  
Jason J. Kolbe


2019 ◽  
Vol 145 ◽  
pp. 104807 ◽  
Author(s):  
Agusman ◽  
Yuxuan Qi ◽  
Zhiwen Wu ◽  
Jian He ◽  
Daniel Rittschof ◽  
...  


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