Climate change has a variety of effects on amphibians breeding in ephemeral wetlands, altering both demographic processes and underlying environmental conditions. These changes can threaten the long-term viability of populations and limit the effectiveness of ongoing management programs. The reticulated flatwoods salamander (Ambystoma bishopi) is an endangered amphibian endemic to the southeastern United States, an area experiencing shifts in temperature and precipitation patterns. To examine the response of flatwoods salamander populations to climate change, we incorporated climate projections into a stochastic integral projection model developed using 10 years (2010-2020) of data from 2 breeding sites. We examined 6 climate change scenarios, combining 3 general circulation models (GCMs) under 2 emission scenarios to estimate extinction probability from 2030-2100. Using just wetland hydroperiod as a metric of reproductive success, 1 and 2 out of 6 climate scenarios indicated a high probability of local extinction in the 2 wetland sites (probability of quasi-extinction >90%). When accounting for potential interactions between salamander phenology and wetland hydrology that can reduce breeding success, extinction probability increased from near 0 to above 25% in 2 and 3 scenarios across the 2 populations. This is the first study combining a stochastic integral projection model with GCM-derived climate forecasts to predict population viability in an endangered amphibian, and this methodology is broadly applicable to other imperiled amphibian species. Overall, our results indicate that there is a relatively high probability that these 2 flatwoods salamander populations will go extinct by the end of the century under some climate scenarios, mostly driven by severe droughts and repeated reproductive failure. Conservation and management actions should focus on maintaining high adult survival, managing habitat to extend wetland hydroperiod, and promoting clusters of breeding wetlands that can undergo natural extinction and colonization dynamics, especially when larger, longer hydroperiod wetlands are closely associated with multiple small wetlands.

The degradation and loss of suitable breeding habitat can be a major driver of amphibian declines. In the southeastern United States, historical fire suppression resulted in overgrown wetlands (i.e., high shrub and tree cover and low herbaceous ground cover) that no longer serve as suitable breeding sites for specialist amphibians. Over the past 14 years, extensive wetland restoration efforts have been conducted at Eglin Air Force Base (Eglin), located in the Florida Panhandle, to improve Reticulated Flatwoods Salamander (Ambystoma bishopi) breeding habitat. However, the response of salamander populations to these habitat changes has yet to be quantified. Here, we used dynamic, spatially explicit occupancy models to (1) document trends in wetland occupancy by flatwoods salamanders over time, and (2) evaluate the key drivers that influence occupancy. We also provide details of habitat restoration practices in an appendix. Overall, the total acreage of suitable habitat has doubled on Eglin in recent years, resulting in a subsequent tripling of the total number of wetlands occupied by flatwoods salamanders. Specifically, the average number of wetlands with larvae detected each year on Eglin has increased from 2.7 in the 7 years of monitoring before habitat management (2003-2009) to 10.4 within the last 7 years (2018-2024). Furthermore, our results confirm that spatial connectivity among wetlands and the availability of suitable habitat are the best predictors of salamander occupancy. Therefore, conservation and management actions should focus on improving habitat quality, especially in areas with high densities of wetlands.

The Southeastern Coastal Plain of the continental United States is a hotspot of amphibian diversification. Whilst most species have since dispersed and extended their geographic distributions beyond the coastal plain, the Florida Bog Frog, Rana okaloosae, remains restricted to three counties of northern Florida. Across its range, R. okaloosae co-occurs with its sister species, the Bronze Frog (R. clamitans clamitans). Hybridization between R. okaloosae and R. c. clamitans has been documented, raising concerns about the microendemic's future. To date, however, the phenology of R. okaloosae, as well as the mechanisms by which reproductive isolation from R. c. clamitans is achieved, is poorly understood. Using 13 years of survey data from Eglin Air Force Base, Florida, we evaluated the environmental correlates of R. okaloosae and R. c. clamitans across 80 sites where they occur in sympatry. We found that although the two species had similar breeding seasons and were active at similar times of night, calling occurred under different environmental conditions. Specifically, R. c. clamitans were more likely to call on calm, dark, humid nights, whereas bog frogs were more likely to call across a range of conditions. Our results suggest that R. okaloosae may maintain reproductive isolation in part by timing breeding activity to nights when R. c. clamitans is less likely to be active. However, there remains a large degree of overlap in the phenology of the two species, highlighting the precarious nature of the Florida Bog Frog's existence.

The Gopher Tortoise (Gopherus polyphemus) is considered a keystone species because its burrows provide refuge for an entire suite of other species (hereafter burrow associates) that occupy the habitats in which it resides. The Gopher Tortoise has declined across its range in large part due to habitat loss and land use change resulting in burrow abandonment or reduced burrow density, and the concomitant negative effects on burrow associate diversity have been well documented. However, under scenarios where Gopher Tortoise populations persist in modified habitat, the effect on community associates has received considerably less attention. In such instances, vegetation changes drive the loss of associate species, not the lack of suitable burrows. Here, we evaluated associations between Gopher Tortoise burrows and vertebrate burrow associates within test ranges and forested sites on Eglin Air Force Base, Florida. Specifically, we (1) determined how vegetation composition varies between forested sandhills and military test ranges, and (2) compared species richness, diversity, and community composition of burrow associates between habitats. We found that vegetation composition surrounding Gopher Tortoise burrows is highly variable, but in general test ranges had a simpler habitat structure and less diverse native plant communities than forested sites. As a result, we show that although military test range sites contain Gopher Tortoise burrows at comparable or higher densities than sites in natural longleaf pine sandhills, the community of vertebrate burrow associates in test range sites appears to be depauperate. Our results highlight that concern over habitat modifications may be warranted even in instances where Gopher Tortoise populations appear to be persisting. In the context of management that seeks to be beneficial to a wide array of burrow associates, efforts aimed at bolstering Gopher Tortoise populations in forested sandhills would be most prudent.

Understanding the link between prescribed fire and occupancy dynamics can aid in managing at-risk species. Knowledge of how fire return interval influences rates of colonization and persistence is essential to effectively mitigate extinction risk, particularly for species endemic to fire-maintained habitats with restricted geographic ranges. The current geographic range of the Florida bog frog (Rana okaloosae, hereafter bog frog) is largely restricted to one military installation in the Florida panhandle. The bog frog is currently listed as a state species of special concern owing to its inherent rarity and habitat loss across its limited range. We conducted call surveys for bog frogs at 151 stream-associated sites on Eglin Air Force Base from 2006 to 2022 to map their distribution and evaluate the effectiveness of habitat management. We constructed a spatially explicit, dynamic occupancy model to identify habitat characteristics associated with bog frog presence and quantify the effect of prescribed fire on turnover dynamics. Historical fire return interval was the only predictor of initial site occupancy; sites that burnt every 2 years on average from 1985 to 2005 were twice as likely to be occupied in 2006 as sites that burnt once every 10 years in that time period. Additionally, we found that colonization rates were a function of proximity to neighboring sites and burn frequency. Most dispersal events occurred between sites less than 0.33 km apart and unoccupied sites more than 2 km from their nearest neighbors were never colonized. Colonization rates were higher at sites that had seen an increase in burn frequency during the study period compared to the preceding two decades. The bog frog benefits from frequent fire in its native stream habitat. Conservation activities should focus on protecting high-quality sites and targeted burns to restore fire-suppressed sites near occupied sites. More broadly, our study highlights the value of long-term monitoring to ensure management activities for at-risk species match the scale of dynamic biological processes.

Reptiles and amphibians are disproportionately threatened among vertebrates but are lagging behind other vertebrate taxa with regards to conservation plans. As the need to triage data-limited species becomes ever more necessary, calls for conservation priorities to be based on evolutionary considerations are increasing. Although there now exists a large body of literature documenting insight that theory can provide to conservation, complex life cycles of many reptiles and amphibians prevents a simple transference of management principles derived from other vertebrate taxa. Thus, there is a need for a set of principles that acknowledges the unique ecology and diversity of herpetofauna. Here we present 10 key principles from evolutionary ecology that can provide rules of thumb to guide management of reptiles and amphibians. Broadly, we identify five landscape-related principles and five life-history-related principles that account for novel ways in which reptiles and amphibians are shaped by the environments they inhabit. When considered in combination they can be useful in providing a holistic view of a species' status. We hope this paper facilitates identification of species that are in critical need of management intervention and provides a guide for managers and conservation scientists to proactively mitigate extinction risk.

Shifts in phenology have been one of the most frequently documented effects of climate change across a wide variety of taxonomic groups. These shifts can alter both species and ecosystem level processes and, for species of conservation concern, may impact the effectiveness of ongoing management programs. Here, we used ten breeding seasons (2010- 2020) of drift fence data to quantify the breeding phenology of the imperiled Reticulated Flatwoods Salamander ( Ambystoma bishopi) at two breeding wetlands in Florida. We then used downscaled climate projections from three Global Circulation Models (GCMs; Hadley Centre Global Environment Model 2 Earth Systems, Hadley Centre Global Environment Model 2 Carbon Cycle, and the Community Climate System model version 4) each with two emission scenarios to forecast how flatwoods salamander breeding phenology may change from 2030-2099. We combined these forecasts with an existing hydrologic model that was built using the same climate data to examine how wetland hydrology and phenology may interact to impact salamander recruitment in future years. We found that large movements (>= 5 individuals) of adult salamanders moving into breeding wetlands were tightly linked to precipitation events with minimum temperatures above freezing, while juvenile emigration was less strongly tied to precipitation and occurred on more days than adult immigration. Under all six GCM-emission scenario combinations, only one scenario suggested that there would be fewer immigration opportunities by the year 2099, and two scenarios (both high emission) indicated that the timing of immigration may shift to later in the fall breeding period. All projections predicted that only a few years will have an ideal intersection of phenology and hydrology for flatwoods salamander reproduction but that many years would have marginal conditions where recruitment may still be possible. Because the frequency of successful breeding years affects population viability in flatwoods salamanders, ongoing management programs must ensure that populations are reproducing frequently enough to remain viable. Overall, our results indicate that altered wetland hydrology (e.g., shorter hydroperiods during the breeding season) and other effects of climate change (e.g., sea level rise) are more likely to contribute to flatwoods salamander declines over the next several decades than phenological shifts.

Survival rates are known to vary over the course of an individual's lifetime and among individuals within a population. Quantifying the natural variability in survival rates is crucial when scaling up to infer the dynamics of populations. Using ten years of mark-recapture data from two adjacent wetlands on the Florida Panhandle, we investigated individual and temporal variability in survival rates of Reticulated Flatwoods Salamanders (Ambystoma bishopi). Our objectives were to 1) provide the first estimates of survival for the species, 2) evaluate the relationship between body size and mortality risk, 3) quantify the degree of variability in survival rates across the study period, and 4) discern whether variability in survival or detection correlates with environmental conditions. To address these objectives, we constructed a modified Cormack-Jolly-Seber model that includes body size and year as covariates. Mean annual survival was estimated to be 0.72 and was strongly correlated with body size; survival rates of the smallest individuals in the study were 0.5 and those of the largest individuals were 0.85. Survival also varied considerably across years, but it did not correlate with temperature extremes or rainfall. Therefore, a key priority for future research should be to identify the ecological correlates of mortality risk in A. bishopi. Our results can be integrated into demographic projections for Reticulated Flatwoods Salamanders and will help managers to discern population viability, evaluate alternative management strategies (e.g., habitat restoration), or buffer the impacts of climate change. More broadly, our work highlights the need for more long-term studies that will garner accurate estimates of vital rates to aid ongoing recovery efforts for endangered and at-risk species.

The endangered bog turtle (Glyptemys muhlenbergii) exemplifies issues related to rare species conservation; presence surveys have low detection and variables used in habitat models can lack relevance to established biological relationships of the species to its environment. The species' use of groundwater saturated soils and stream networks as core habitat and dispersal corridors has been documented. Less is known about the landscape factors that promote the formation and persistence of wetlands used for core habitat. A GIS-based resource selection function was developed to predict bog turtle habitat use. Trained on 1 ha plots centred on occupied sites and pseudo-absent plots constrained to areas within 56.4 m to stream network centrelines, the model tested the capacity of a topographic wetness index (TWI), stream order and soil, wetland and land cover type to predict the presence of suitable habitat and turtle occupancy. Landscape variables were sampled at 10 m resolution, but variable selection and model performance were analysed at 100 m resolution to maintain a biologically relevant 1 ha habitat scale and accommodate the resolution of other variables. Suitable habitat and turtle presence were best predicted by intermediate to high values of TWI, land cover with low vegetation height and wetlands, second- and third-order streams and the occurrence of mapped National Wetland Inventory polygons and hydric soils. Very high values of TWI were negatively associated with habitat suitability. The area under the curve of the best model was 0.833. Suitable habitat was found on 88% of 55 independent sites selected using the model and nine new occupied sites were confirmed. Model error is discussed with consideration of human-altered drainage networks on the agricultural landscape.

Integrated assessments of wetland hydrologic regimes and other environmental factors are key to understanding the ecology of species breeding in ephemerally flooded wetlands, and reproductive success is often directly linked to suitable flooding regimes, both temporally and spatially. We used high-resolution Light Detection and Ranging (LiDAR) data to develop bathymetric stage–flooded area relationships, predict spatial extent of flooding, and assess vegetation structure in 30 pine flatwoods wetlands. For a subset of wetlands with monitoring wells, we then integrated bathymetric and water level data to create multi-year time series of daily flooded areas. We then related the observed flooded areas to topographic and landscape metrics to develop models predicting flooded extents in wetlands without monitoring wells. We found that stage–area curves varied depending on wetland size and bathymetry, such that a one-cm increase in water depth could generate flooded area increases ranging from hundreds to thousands of square meters. Flooded areas frequently fragmented into discrete flooded patches as wetlands dried, and there was a weak positive correlation between hydroperiod and mean flooded area across multiple years (r = 0.32). To evaluate the utility of using LiDAR-derived data to support the conservation of wetland-breeding species, we combined metrics of flooding and vegetation to map potentially suitable habitat for the imperiled reticulated flatwoods salamander ( Ambystoma bishopi ). Overall, projects focusing on the ecology of wetland-breeding species could gain a broader understanding of habitat effects from coupled assessments of bathymetry, water level dynamics, and other wetland characteristics.

Population viability analyses (PVAs) represent a key component of many recovery plans for threatened and endangered species. Demography links the processes that affect individuals to population-level patterns, and hence projections constructed from demographic data are the most common tools for PVAs. We constructed a size-structured integral projection model (IPM) for the United States federally endangered Reticulated Flatwoods Salamander, Ambystoma bishopi, to evaluate demographic influences on population growth and predict the efficacy of future management actions. Flatwoods salamanders breed in ephemeral wetlands in the Southeastern United States. The ephemeral nature of breeding sites can result in complete recruitment failure in drought years when wetlands fail to fill, or dry before metamorphosis occurs. As a result, this species exhibits marked temporal variability in vital rates that must be accounted for in projection models. We constructed a stochastic IPM using 13 years of mark-recapture data (2010-2023) from two breeding wetlands. Variable survival rates exhibited by flatwoods salamanders, coupled with a high probability of recruitment failure, result in a low predicted probability of population persistence. Sensitivity analyses revealed age at maturity and the frequency of recruitment exerted the greatest influence on population growth, and thus managers should prioritize conservation efforts that target these demographic processes. Additional management should consider strategies to dampen temporal variability in larval survival, something that could be achieved through emergency salvage operations, captive rearing efforts, and manipulation of wetland hydroperiods.

The field of conservation has seen a shift in focus from monitoring trends in census population size to trends in `effective' population size. Numerous genetic methods exist for estimating effective population size, resulting in uncertainty among conservation practitioners as to which methods are most appropriate when conducting population assessments or evaluating recovery efforts. Demographic approaches offer a promising avenue to provide a link between census and effective population size using life-history information, but rarely do studies have all three sources of data (genetic, demographic, life history) necessary to perform an explicit evaluation of their performance. Using data from a long-term study of reticulated flatwoods salamanders (Ambystoma bishopi) in western Florida, USA, we assessed the magnitude of temporal variation in census population sizes oNTHORN and the effective number of breeders Nbo THORN of two breeding populations to (1) document changes in the number of breeding adults over the 9-year study duration, (2) determine whether N and Nb provide similar information about population size and trends and (3) compare alternative demographic and genetic approaches for estimating Nb. We found that genetic estimates of bN b, particularly if averaged across multiple estimation methods, closely tracked spatiotemporal variation in N. Demographic estimates of Nb also closely tracked N but were sensitive to the assumed variance in reproductive success. In the absence of genetic information, detailed knowledge of mating systems and the environmental factors that skew reproductive contributions appear necessary for demographic Nb to reliably inform management decisions. In these populations, bN b appears too small (<40 individuals) to confer long-term genetic resilience, highlighting the importance of restoring landscape connectivity and indicating that caution must be taken when sourcing animals for reintroduction efforts. More generally, our study reveals insights into the utility of alternative Nb estimation methods in guiding recovery efforts of threatened and endangered species.

Ephemeral wetlands are globally important systems that are regulated by regular cycles of wetting and drying, which are primarily controlled by responses to relatively short-term weather events (e.g., precipitation and evapotranspiration). Climate change is predicted to have significant effects on many ephemeral wetland systems and the organisms that depend on them through altered filling or drying dates that impact hydroperiod. To examine the potential effects of climate change on pine flatwoods wetlands in the southeastern United States, we created statistical models describing wetland hydrologic regime using an approximately 8-year history of water level monitoring and a variety of climate data inputs. We then assessed how hydrology may change in the future by projecting models forward (2025-2100) under six future climate scenarios (three climate models each with two emission scenarios). We used the model results to assess future breeding conditions for the imperiled Reticulated Flatwoods Salamander (Ambystoma bishopi), which breeds in many of the study wetlands. We found that models generally fit the data well and had good predictability across both training and testing data. Across all models and climate scenarios, there was substantial variation in the predicted suitability for flatwoods salamander reproduction. However, wetlands with longer hydroperiods tended to have fewer model iterations that predicted at least five consecutive years of reproductive failure (an important metric for population persistence). Understanding potential future risk to flatwoods salamander populations can be used to guide conservation and management actions for this imperiled species.

Amphibians breeding in ephemeral wetlands within pine-dominated ( Pinus spp.) natural communities are less likely to persist in wetlands that have developed high canopy cover and low herbaceous groundcover in the absence of regular plant growing-season wildfires. The reintroduction of historic fire regimes, in conjunction with mechanical or herbicide removal of woody shrubs, can reduce the woody midstory in wetlands. However, certain conditions can hinder the reemergence of herbaceous groundcover in degraded wetlands even after the removal of the woody midstory. After four years of no discernible recovery of herbaceous vegetation at two Reticulated Flatwoods Salamander ( Ambystoma bishopi ) breeding wetlands, we conducted a duff-removal experiment to test whether duff accumulation was preventing herbaceous plant germination and growth. Using a paired design, we found that duff removal increased the number of sprouting stems by 30-fold compared to control plots (paired t-test: t 19 = 5.30; p < 0.001) and shifted vegetation communities towards more desirable herbaceous groundcover (PERMANOVA: F 1,34 = 19.14; p < 0.001). Fire is recognized as an important source of disturbance in longleaf ( Pinus palustris ) and slash ( P. elliottii ) pine forests of the southeastern United States, but the return of fire to degraded habitats may not be sufficient to fully restore historic conditions that are conducive to flatwoods salamander reproduction. Our results demonstrate that duff removal may be a critical component of wetland restoration to improve or accelerate the response of understory vegetation following canopy removal.

Abstract Virtually all natural community assemblages are dominated by a handful of common species. Dominant species can exert negative impacts on biodiversity through competitive exclusion, and thus there is a strong incentive to understand imbalances in community composition, changes in dominance hierarchies through time, and mechanisms of coexistence. Pond‐breeding amphibians that utilize ephemeral wetlands provide an excellent opportunity to evaluate theoretical predictions of community composition in stochastic environments. One of the most striking features of pond‐breeding amphibians is the marked stochastic fluctuations in abundance across years. Given strong theoretical and empirical links between evenness and biomass, one would expect community evenness to change from year to year. Moreover, if different species exhibit different boom‐and‐bust reproductive cycles, then a storage effect may help to explain why one species does not outcompete all others. Here, we explore the interplay between biotic and abiotic conditions in shaping amphibian communities at two ephemeral wetlands on Eglin Air Force Base, Florida. We document consistent community composition over 6 years of monitoring, resulting from a lack of species turnover and similar responses of all community members to environmental conditions. The similar dynamics of species argues against a storage effect as the sole mechanism for coexistence and instead points to niche partitioning as a more important factor. In support of this conclusion, we show that the degree of synchrony in breeding migrations only correlates with environmental conditions within species, not between species. The lack of pattern seen between species implies that individuals are somewhat constrained in the timing of breeding migrations, perhaps owing in part to competition with other community members. We hope that our work reinvigorates interest in amphibian communities and highlights ephemeral wetlands as model systems to study community dynamics in stochastic environments.

A correction to this paper has been published: https://doi.org/10.1007/s10592-021-01367-w

Abstract American Shad (Alosa sapidissima), Hickory Shad (A. mediocris), and river herrings (Alewife A. pseudoharengus and Blueback Herring A. aestivalis) are anadromous pelagic fishes, which as adults spend most of the annual cycle at sea, but enter the coastal rivers in spring to spawn. Once as one of the most valuable fisheries along the Atlantic coast, Alosa populations have declined in recent decades and current populations are at historic lows. Various management actions have been conducted to restore the populations, and stocks in different river systems display different demographic trends. Demonstration of synthetic diagnostics on the factors impacting these populations is important to better conserve this species group. We developed a Bayesian hierarchical spatiotemporal model to identify the population trends of these species among rivers in the Chesapeake Bay based on results of surveys conducted by the Virginia Department of Game and Inland Fisheries and Maryland Department of Natural Resources and to identify environmental and anthropogenic factors influencing their distribution and abundance. The hierarchical model structure helped to diagnose river‐specific population trends and impacts of surrounding factors, and decrease uncertainties in rivers with less samples available. The results demonstrate river‐specific heterogeneity of spatiotemporal dynamics of these species and indicate river‐specific impacts of multiple factors, including water temperature, river flow, chlorophyll a concentration, and total phosphorus concentration, on their population dynamics. Atlantic Multidecadal Oscillation and Gulf Stream meanders displayed significant influence on the inter‐annual trends of Alosa species in rivers with more data available. The results would help to develop river‐ and species‐specific management strategies to recover these species.

Ephemeral wetlands are commonly embedded within pine uplands of the southeastern United States. These wetlands support diverse communities but have often been degraded by a lack of growing-season fires that historically maintained the vegetation structure. In the absence of fire, wetlands develop a dense mid-story of woody vegetation that increases canopy cover and decreases the amount of herbaceous vegetation. To understand how reduced fire frequency impacts wetland processes, we measured leaf litter breakdown rates and invertebrate communities using three common plant species (Longleaf Pine (Pinus palustris), Pineland Threeawn Grass (Aristida stricta), and Black Gum (Nyssa sylvatica)) that occur in pine flatwoods wetlands located on Eglin Air Force Base, Florida. We also tested whether or not the overall habitat type within a wetland (fire maintained or fire suppressed) affected these processes. We placed leaf packs containing 15.0 g of dried leaf litter from each species in both fire-maintained and fire-suppressed sections of three wetlands, removing them after 103–104 days submerged in the wetland. The amount of leaf litter remaining at the end of the study varied across species (N. sylvatica = 7.97 ± 0.17 g, A. stricta = 11.84 ± 0.06 g, and P. palustris = 11.37 ± 0.07 g (mean ± SE)) and was greater in fire-maintained habitat (leaf type: F2,45 = 437.2, P < 0.001; habitat type: F1,45 = 4.6, P = 0.037). We identified an average of 260 ± 33.5 (SE) invertebrates per leaf pack (range: 19–1,283), and the most abundant taxonomic groups were Cladocera, Isopoda, Acariformes, and Diptera. Invertebrate relative abundance varied significantly among litter species (approximately 39.9 ± 9.4 invertebrates per gram of leaf litter remaining in N. sylvatica leaf packs, 27.2 ± 5.3 invertebrates per gram of A. stricta, and 14.6 ± 3.1 invertebrates per gram of P. palustris (mean ± SE)) but not habitat type. However, both habitat (pseudo-F1,49 = 4.30, P = 0.003) and leaf litter type (pseudo-F2,49 = 3.62, P = 0.001) had a significant effect on invertebrate community composition. Finally, this work was part of ongoing projects focusing on the conservation of the critically imperiled Reticulated Flatwoods Salamander (Ambystoma bishopi), which breeds exclusively in pine flatwoods wetlands, and we examined the results as they relate to potential prey items for larval flatwoods salamanders. Overall, our results suggest that the vegetation changes associated with a lack of growing-season fires can impact both invertebrate communities and leaf litter breakdown.

Local extinction and undetected presence are two very different biological phenomena, but they can be challenging to differentiate. Stochastic environments hamper the development of standardized monitoring schemes for wildlife, and make it more challenging to plan and evaluate the success of conservation efforts. To avoid reintroductions of species at risk that could jeopardize extant populations, managers attempting translocation events require a higher level of confidence that a failure to confirm presence represents a true absence. For many pond breeding amphibians, monitoring of the breeding population occurs indirectly through larval surveys. Larval development and successful recruitment only occurs after a sequence of appropriate environmental conditions, thus it is possible for a breeding population of adults to exist at a site but for detectability of the species to be functionally zero. We investigate how annual variability in detection influences long-term monitoring efforts of Reticulated Flatwoods Salamanders (Ambystoma bishopi) breeding in 29 wetlands in Florida. Using 8 years of historic dip net data, we simulate plausible monitoring scenarios that incorporate environmental stochasticity into estimates of detection probability. We found that annual variation in environmental conditions precluded a high degree of certainty in predicting site status for low-intensity monitoring schemes. Uncertainty was partly alleviated by increasing survey effort, but even at the highest level of sampling intensity assessed, multiple years of monitoring are required to confidently determine presence/absence at a site. Combined with assessments of habitat quality and landscape connectivity, our results can be used to identify sites suitable for reintroduction efforts. Our methodologies can be generally applied to increase the effectiveness of surveys for diverse organisms for which annual variability in detectability is known.