Long-Term United Kingdom Trends in The Breeding Phenology of The Common Frog, Rana Temporaria

Scott, W. A.; Pithart, David; Adamson, J.

doi:10.1670/07-022.1

Cited by 27 publications

(21 citation statements)

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“…Pond-breeding, temperate zone amphibians may be important bellwethers of the effects of climate warming (Li et al, 2013;Gerick et al, 2014). An earlier onset of spring breeding behaviour correlated with a warming climate has been observed among various pond-breeding frogs and toads in Europe (Beebee, 1995;Tryjanowski et al, 2003;Scott et al, 2008), Asia (Kusano & Inoue, 2008;Primack et al, 2009) and North America (Gibbs & Breisch, 2001;Walpole et al, 2012), yet other species may exhibit either a trend towards later commencement of spring breeding or no trend at all (Todd et al, 2011;Klaus & Lougheed, 2013). For example, Fowler's Toads, Anaxyrus fowleri, at Long Point in southern Ontario appeared to be breeding some 5.3 days later per decade, based on my own observations of 13 dates of first breeding recorded over 19 years (Blaustein et al, 2001).…”

Section: Introductionmentioning

confidence: 99%

Amphibian breeding phenology trends under climate change: predicting the past to forecast the future

Green

2016

Global Change Biology

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Global climate warming is predicted to hasten the onset of spring breeding by anuran amphibians in seasonal environments. Previous data had indicated that the breeding phenology of a population of Fowler's Toads (Anaxyrus fowleri) at their northern range limit had been progressively later in spring, contrary to generally observed trends in other species. Although these animals are known to respond to environmental temperature and the lunar cycle to commence breeding, the timing of breeding should also be influenced by the onset of overwintering animals' prior upward movement through the soil column from beneath the frost line as winter becomes spring. I used recorded weather data to identify four factors of temperature, rainfall and snowfall in late winter and early spring that correlated with the toads' eventual date of emergence aboveground. Estimated dates of spring emergence of the toads calculated using a predictive model based on these factors, as well as the illumination of the moon, were highly correlated with observed dates of emergence over 24 consecutive years. Using the model to estimate of past dates of spring breeding (i.e. retrodiction) indicated that even three decades of data were insufficient to discern any appreciable phenological trend in these toads. However, by employing weather data dating back to 1876, I detected a significant trend over 140 years towards earlier spring emergence by the toads by less than half a day/decade, while, over the same period of time, average annual air temperature and annual precipitation had both increased. Changes in the springtime breeding phenology for late-breeding species, such as Fowler's Toads, therefore may conform to expectations of earlier breeding under global warming. Improved understanding of the environmental cues that bring organisms out of winter dormancy will enable better interpretation of long-term phenological trends.

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Section: Introductionmentioning

confidence: 99%

Amphibian breeding phenology trends under climate change: predicting the past to forecast the future

Green

2016

Global Change Biology

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“…The present focus on effects of climate change has prompted the analysis of trends in breeding of these species. A trend to earlier breeding has been found in several studies (Terhivuo 1988;Gibbs and Breisch 2001;Lappalainen et al 2008;Scott et al 2008;Neveu 2009;Loman 2014), but in some cases there was no trend (Blaustein et al 2001;Gibbs and Breisch 2001;Reading 2003;Hartel 2008;Loman 2014) or even a trend to later breeding (Arnfield et al 2012). These species (all found on the Northern Hemisphere) also tend to breed earlier in more southern locations (Terhivuo 1988;Carroll et al 2009).…”

Section: Introductionmentioning

confidence: 78%

“…; Scott et al. ; Neveu ; Loman ), but in some cases there was no trend (Blaustein et al. ; Gibbs and Breisch ; Reading ; Hartel ; Loman ) or even a trend to later breeding (Arnfield et al.…”

Section: Introductionmentioning

confidence: 99%

“…In temperate climates, some frogs species' breed early in spring and usually explosively. The short and distinct breeding season makes the registration of breeding data a favorite phenology study subject, and there are a large number of multiyear compilations of the breeding migration (Gittins et al 1980;Reading 1998;Miwa 2007;Todd et al 2011), start of calling (Str€ omberg 1988;Elmberg 1990;Blaustein et al 2001;Hartel 2008;Lappalainen et al 2008;Scott et al 2008), or time for spawning (Elmberg 1990;Beebee 1995;Gollmann et al 1999;Blaustein et al 2001;Tryjanovski et al 2003;Hartel 2008;Scott et al 2008;Carroll et al 2009;Neveu 2009;Loman 2014). The choice of variable seems (sensibly) to mainly depend on what is more practical with different species.…”

Section: Introductionmentioning

confidence: 99%

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Breeding phenology in Rana temporaria. Local variation is due to pond temperature and population size

Loman

2016

Ecology and Evolution

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Frog breeding phenology in temperate zones is usually compared to progress of spring temperatures at a regional scale. However, local populations may differ substantially in phenology. To understand this, local climate and other aspects must be studied. In this study, breeding phenology of the common frog, Rana temporaria, in a set of ponds in southern Sweden is analyzed. There was within year a variation of up to 3 weeks in start of breeding among local populations. Water temperature was measured in the ponds, and breeding tended to be earlier in warmer ponds (surprise!). Breeding was also earlier in ponds with a large breeding congregation. Alternative reasons for these patterns are suggested and discussed. There was a large residual variation. The common frog has a wide range of acceptable wintering sites, and I hypothesize that the particular choice by a local population may explain part of this residual variation.

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“…Однако подоб-ные последствия имеют достаточное обоснование не для всех видов бесхвостых амфибий (Ермохин и др., 2016). У некоторых видов, например у Rana temporaria, смещение начала нерестовых миграций на более ранние даты не сопровождается существенным изменением даты появления кладок в нерестовом водоёме (Scott et al, 2008).…”

Section: обсуждение результатовunclassified

Phenological changes of the wintering of Pelobates fuscus (Pelobatidae, Amphibia) in the climate transformation conditions of the northern Lower-Volga region

Yermokhin¹,

Tabachishin²,

Ivanov³

2016

PJE

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Поступила в редакцию 18.08.15 г.Фенологические изменения зимовки чесночницы обыкновенной -Pelobates fuscus (Pelobatidae, Amphibia) в условиях трансформации климата на севере Нижнего По-волжья. -Ермохин М. В., Табачишин В. Г., Иванов Г. А. -Рассматриваются закономер-ности изменения календарных дат начала, окончания и продолжительности зимовки чес-ночницы обыкновенной (Pelobates fuscus) в долине р. Медведица (Лысогорский район, Са-ратовская область) в период с 1892 до 2014 г. Показано сокращение продолжительности зи-мовки в среднем на 7 сут. за последние 120 лет, обусловленное сдвигом даты начала зимов-ки на более поздние сроки и даты окончания зимовки на более ранние сроки. Изменения да-ты окончания зимовки начали формироваться в основном с 1950-х гг., а начала зимовки -в 1980-х гг. и значительно ускорились в 2002 -2014 гг. Периодичность изменения даты нача-ла и окончания зимовки обусловлена в основном циклами суровости зим (8-9 лет) и водно-сти -засушливости (циклы Брикнера: 36 -38 лет). В результате анализа температурного режима в почвенном профиле показано, что сокращение продолжительности зимовки обу-словлено в основном за счет более раннего начала нерестовых миграций половозрелых осо-бей данного вида в весенний период. Глубина залегания особей данного вида в почвенном профиле устойчиво сокращается с начала 1980-х гг. до 2014 г. Разработаны прогностиче-ские модели, позволяющие предполагать прекращение перемещения особей данного вида в почвенном профиле из горизонтов, в которых они находятся в период активности, к 2050 г., а также значительное сокращение продолжительности зимовки или даже возможное ее пол-ное исчезновение как фазы годового цикла в течение 315 лет при сохранении современного климатического тренда.Ключевые слова: Pelobates fuscus, фенология, зимовка, трансформация климата, Сара-товская область.Phenological changes of the wintering of Pelobates fuscus (Pelobatidae, Amphibia) in the climate transformation conditions of the northern Lower-Volga region. -Yermokhin M. V., Tabachishin V. G., and Ivanov G. A. -Regularities of the changes of calendar dates of the start, end and duration of Pelobates fuscus wintering in the Medveditsa river valley (Lysogorsky district, Saratov region) within the period from 1892 until 2014 are considered. A reduction of the wintering duration by 7 days (on the average) over the last 120 years is shown, due to a shift of the start wintering date to a later date and that of the end wintering date to an earlier date. Such changes of the end and start wintering dates mainly began to emerge since the 1950s and 1980s, respectively,

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Long-Term United Kingdom Trends in The Breeding Phenology of The Common Frog, Rana Temporaria

Cited by 27 publications

References 23 publications

Amphibian breeding phenology trends under climate change: predicting the past to forecast the future

Amphibian breeding phenology trends under climate change: predicting the past to forecast the future

Breeding phenology in Rana temporaria. Local variation is due to pond temperature and population size

Phenological changes of the wintering of Pelobates fuscus (Pelobatidae, Amphibia) in the climate transformation conditions of the northern Lower-Volga region

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