Monitoring created seasonal pools for functional success: A six-year case study of amphibian responses, Sears Island, Maine, USA

Vasconcelos, Daniel Bruno; Calhoun, Aram J. K.

doi:10.1672/0277-5212(2006)26[992:mcspff]2.0.co;2

Cited by 43 publications

(53 citation statements)

References 32 publications

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“…6), supporting our finding that important colonizers arrive at the new or restored wetland within the first 2 years (e.g., Perry et al, 1996;Lehtinen and Galatowitsch, 2001;Pechmann et al, 2001;Stevens et al, 2002). Unlike what we found, however, only one case of North American colonization detected more than 50% of these local species reproducing by the second year (Vasconcelos and Calhoun, 2006). Although the colonization of the new wetlands included individuals from most local species of the amphibian community, many species were present in low numbers (< 50 individuals).…”

Section: Discussionsupporting

confidence: 85%

“…It is well accepted that newly created wetlands should be assessed with deep, qualitative and long-term studies (Zedler and Callaway, 1999;Pechmann et al, 2001;Petranka et al, 2003Petranka et al, , 2007Vasconcelos and Calhoun, 2006). However, this study provided evidence of the benefits of artificial MTPs for amphibian conservation already within a short-term period.…”

Section: Conservation Interest Of Man-made Mtpsmentioning

confidence: 66%

“…In the USA, the 1989 federal goal of achieving "no overall net loss" of wetlands (Brown and Lant, 1999) partially addressed the progressive disappearance of lentic habitats through wetland creation and restoration. To evaluate how to lessen the effects of wetland loss on amphibian populations, studies have monitored both short-term (e.g., Perry et al, 1996;Lehtinen and Galatowitsch, 2001;Balcombe et al, 2005;Barry et al, 2008) and long-term (e.g., Pechmann et al, 2001;Petranka et al, 2003;Vasconcelos and Calhoun, 2006) colonization patterns and restoration effects. These studies revealed that the timescale of operation for the newly created or restored wetland is critical, as temporal population responses and environmental stressors determine which species are likely to benefit from the wetlands (Petranka et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

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Man-made Mediterranean temporary ponds as a tool for amphibian conservation

Ruhí

Sebastián

Feo

et al. 2012

Ann. Limnol. - Int. J. Lim.

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-Mediterranean temporary ponds (MTPs) are crucial breeding sites for local amphibians, a faunal group in decline in the Mediterranean mainly due to wetland destruction. Although the disappearance of lentic habitats in other regions of the world has been ameliorated by the creation and restoration of wetlands, these tactics remain untested in Mediterranean wetlands. To evaluate the amphibian colonization dynamics of artificial MTPs in the north-eastern Iberian Peninsula, we monitored two artificial MTPs (one in a highdiversity area and the other in a low-diversity area) over 2 years. We selected reference wetlands at each area, and amphibian communities of man-made MTPs were compared to those of reference wetlands. We found that, beginning in the first year, artificial MTPs were a valuable habitat for regional amphibian fauna. Posteriorly, we focused on the reproductive success of the natterjack toad, Bufo calamita. Using a drift fence equipped with pit-fall traps, we measured the abundance of both reproductive adults entering the pond and post-metamorphic individuals exiting the pond. Using mark-recapture methods, we analyzed the time and energy costs associated with reproduction in the artificial MTPs. We observed a highly variable colonization dynamics between sites, between hydroperiods, and within hydroperiods, and these dynamics often depended on meteorological factors. Our results suggest that even at a short timescale, native amphibian species such as B. calamita can benefit from wetland creation in the Mediterranean region.

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Section: Discussionsupporting

confidence: 85%

Section: Conservation Interest Of Man-made Mtpsmentioning

confidence: 66%

Section: Introductionmentioning

confidence: 99%

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Man-made Mediterranean temporary ponds as a tool for amphibian conservation

Ruhí

Sebastián

Feo

et al. 2012

Ann. Limnol. - Int. J. Lim.

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“…Shoo et al 2011). In North America and Europe habitat creation has been successfully used to increase abundance in threatened (Rannap et al 2009) and non-threatened amphibians (Vasconcelos and Calhoun 2006). To succeed, newly created pools must provide suitable habitat and have high levels of connectivity (Lesbarreres et al 2010).…”

Section: Management Implicationsmentioning

confidence: 99%

Decline of an endangered amphibian during an extreme climatic event

et al. 2012

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Abstract. Climate change is a poorly understood, emerging threat to many amphibian species. One of the ways climate change is likely to affect amphibians is through increased recruitment failure associated with more frequent climatic extremes. To understand the risk posed by this threat, we combined 13 years of annual monitoring and multi-scaled habitat modelling at the site (n ¼ 60), pool (n ¼ 105) and nest (n ¼ 170) levels to investigate the decline of the endangered northern corroboree frog (Pseudophryne pengilleyi ), during the most severe drought on record in southern Australia. We documented the local extinction of 42% of P. pengilleyi breeding sites during the climatic extreme. Using logistic regression we investigated habitat variables associated with extinction sites. We found that locally extinct sites now resemble historically absent sites, with fewer pools, less water, and drying-related tree invasion. Extended periods of limited water availability at extinction sites is likely to have restricted breeding, contributing to localised extinctions. Habitat variables recorded at the pool and nest level did not significantly influence P. pengilleyi presence/absence, indicating that site level wetness had an overriding effect. We anticipate that increasing climate variability is likely to disproportionately threaten seasonal pool-breeding amphibian species, exacerbating the global amphibian biodiversity crisis. However, our work with P. pengilleyi suggests there are a range of simple habitat manipulations that could help to ameliorate the impacts.

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“…The absence of fish is considered a positive factor in five studies (Beebee, 1996;Petranka et al, 2004;Porej and Hetherington, 2005;Vasconcelos and Calhoun, 2006;Chester and Robson, 2013) and a negative factor in three other studies (Sredl and Collins, 1992;Bishop et al, 2000;. The presence of fish has direct and indirect negative impacts on frog larvae (e.g., Porej and Hetherington, 2005;Hamer and Parris, 2011) but some species show resistance to fish predation (Kats et al, 1988;Gunzburger and Travis, 2005;McCarthy and Lathrop, 2011).…”

Section: Factors That Positively or Negatively Influence The Ecologicmentioning

confidence: 99%

A Review of the Factors That Determine Whether Stormwater Ponds Are Ecological Traps And/or High-Quality Breeding Sites for Amphibians

Clevenot

Pech

2018

Front. Ecol. Evol.

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Stormwater ponds were originally constructed to control the quantity and quality of runoff on urban roads and highways before it was released to the environment. Often, stormwater ponds were designed in a technical feat of civil engineering, with no particular ecological or landscape objective in mind. Nevertheless, they are colonized spontaneously by diverse species, including amphibians. Through an initial review of the scientific literature, the objective of this study was to understand which factors determine whether a pond can be considered as an ecological trap or a valuable breeding site for amphibians. The first step was to question the role of the pond environment as a major factor in its colonization by amphibians, demonstrating that not all ponds are colonized by the same variety of species. The internal factors in the ponds that define them as ecological traps or sustainable breeding sites for amphibians was also considered. After confirming the functional and structural similarity between highway and urban stormwater ponds, 25 publications were compared, with study sites mostly located in Europe and North America, which concern the colonization of stormwater ponds by amphibians in urban or highway areas. Several factors were identified that may affect the ecological viability of these basins: (1) the factors related to the shape of the ponds (inclination of the banks, materials used, etc.,); (2) the biotic factors (aquatic vegetation, presence of predators, etc.,); (3) the abiotic factors (luminosity, water level in the ponds, etc.,); and (4) water pollutants. The low number of publications on this subject, as well as the low variety in the location of study sites, only allow cautious conclusions to be drawn. In particular, stormwater ponds located in highly anthropogenic landscapes can be both ecological traps and suitable habitats for amphibian breeding. This depends on the species that colonize each pond, many internal factors, and the environmental context in which it is embedded. Additional research is therefore needed in other parts of the world-particularly in amphibian biodiversity hotspots-as well as other impact factors such as the effects of different maintenance practices.

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Monitoring created seasonal pools for functional success: A six-year case study of amphibian responses, Sears Island, Maine, USA

Cited by 43 publications

References 32 publications

Man-made Mediterranean temporary ponds as a tool for amphibian conservation

Man-made Mediterranean temporary ponds as a tool for amphibian conservation

Decline of an endangered amphibian during an extreme climatic event

A Review of the Factors That Determine Whether Stormwater Ponds Are Ecological Traps And/or High-Quality Breeding Sites for Amphibians

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