Rapid Evolution in the Wild: Changes in Body Size, Life‐History Traits, and Behavior in Hunted Populations of the Japanese Mamushi Snake

Sasaki, Kiyoshi; Fox, Stanley F.; Duvall, David

doi:10.1111/j.1523-1739.2008.01067.x

Cited by 37 publications

(50 citation statements)

References 30 publications

(37 reference statements)

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“…Human-inhabited areas are located between 24°N and 46°N, which ranges from a subtropical zone to a temperate zone. Mamushi ( Gloydius blomhoffii ) 5,6 and habu ( Protobothrops flavoviridis ) [7][8][9] are two of the major venomous snakes in Japan; both belong to the sub-family Crotalinae (pit vipers). Mamushi bites occur in areas between 30°N and 46°N.…”

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confidence: 99%

Venomous Snake Bites in Japan

Yasunaga¹,

Horiguchi²,

Kuwabara³

et al. 2011

The American Society of Tropical Medicine and Hygiene

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Abstract. Few reliable data are available on the incidence of snake bites in developing and developed nations. Insufficient epidemiologic data have hindered the recognition of snake bite as an important public health issue. We verified statistics of snake bites (mamushi and habu bites) in Japan by using a currently available, nationally representative, hospital-based database. We identified 1,670 inpatients with snake bites from 404 hospitals during July 1-December 31 in 2007 and 2008. More than 60% were males, the average age was 60.1 years, and the in-hospital mortality rate was 0.2%.

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confidence: 99%

Venomous Snake Bites in Japan

Yasunaga¹,

Horiguchi²,

Kuwabara³

et al. 2011

The American Society of Tropical Medicine and Hygiene

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“…There are two not mutually exclusive hypotheses for such a pattern. Phenotypic variation in birth date could make some individuals (1) more attractive (hunter preference) or (2) more susceptible to hunters (Law, 2000;Carlson et al, 2007;Sasaki et al, 2009;Ciuti et al, 2012). As adult moose generally are solitary and the population is subject to high hunting pressure during a relatively short hunting season, the possibility for hunters to be choosy might be restricted Mysterud, 2011).…”

Section: Discussionmentioning

confidence: 99%

“…This could be mediated by a preference among hunters to harvest large calves, as produced by large females (see Table 6), or calf body mass could be correlated with traits that affect the susceptibility to hunting (Law, 2000;Sasaki et al, 2009;Mysterud, 2011;Ciuti et al, 2012; but see Moe et al, 2009). Whatever mechanism, the increased risk of losing a calf among twin mothers or females with large calf body mass in general, will modify any selection for increased fecundity among heavy females and may explain the negative harvest-induced selection on female calf body mass (Fig.…”

Section: Discussionmentioning

confidence: 99%

“…In wild boar Sus scrofa scrofa, Gamelon et al (2011) showed that birth date had advanced in response to harvest selection for early maturation. Also Sasaki et al (2009) found that harvested populations of Japanese Mamushi Snake Gloydius blomhoffii were smaller, matured earlier and displayed stronger anti-predator behaviour than unharvested populations.…”

Section: Introductionmentioning

confidence: 99%

“…bold vs less conspicuous behaviour, Ciuti et al, 2012). Several traits affected by harvesting may be heritable (Law, 2000;Kruuk and Hadfield, 2007;Allendorf et al, 2008;Carlson and Seamons, 2008;Sasaki et al, 2009). Thus, there is a growing body of empirical evidence on how harvest-induced selection may cause rapid evolutionary changes (Olsen et al, 2004;Garel et al, 2007;Law, 2007;Sharpe and Hendry, 2009).…”

Section: Introductionmentioning

confidence: 99%

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Reversal of response to artificial selection on body size in a wild passerine

et al. 2017

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Preface -If I have seen further, it is by standing on the shoulders of giants.Sir Isaac Newton (1676) I am thankful for the opportunity to become deeply immersed in the fascinating world of biology, it has been challenging, rewarding and periodically exhausting. The work of this thesis build on the effort of several people in study systems spanning two decades. They deserve many thanks for the dedication and careful collection of high quality data. I would also like to thank all the local people at the islands along the coast of Helgeland for the hospitality and friendliness experienced during all my fieldwork, it has been unprecedented.During the days in the office, out in the field and in the lab, I have been lucky to be surrounded by a lot of great colleagues and friends. Thanks for the most welcomed distractions and good laughs, and thanks for the helpful, interesting and inspiring talks and discussions. Special thanks go to all my good colleagues in both the house sparrow and moose project. I have enjoyed working with you all.At last I want to thank my friends, parents and family, your presence and support means a lot to me. Most of all I want to thank my dearest Eva Sofie for being loving, caring and supportive, and our two sons, William and Sebastian, for bringing so much joy into our lives. You three are most important of all.

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Individual behaviour, growth, survival and vulnerability to hunting in a large mammal

Cusson,

Pelletier

2024

Ecology and Evolution

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Humans have exploited wild animals for thousands of years. Recent studies indicate that harvest‐induced selection on life‐history and morphological traits may lead to ecological and evolutionary changes. Less attention has been given to harvest‐induced selection on behavioural traits, especially in terrestrial systems. We assessed in a wild population of large terrestrial mammals whether decades of hunting led to harvest‐induced selection on trappability, a proxy of risk‐taking behaviour. We investigated links between trappability, horn growth and survival across individuals in early life and quantified the correlations between early‐life trappability and horn growth with availability to hunters and probability of being shot. We found positive among‐individual correlations between early‐life trappability and horn growth, early‐life trappability and survival and early‐life horn growth and survival. Faster growing individuals were more likely to be available to hunters and shot at a young age. We found no correlations between early‐life trappability and availability to hunters or probability of being shot. Our results show that correlations between behaviour and growth can occur in wild terrestrial population but may be context dependent. This result highlights the difficulty in formulating general predictions about harvest‐induced selection on behaviour, which can be affected by species ecology, harvesting regulations and harvesting methods used. Future studies should investigate mechanisms linking physiological, behavioural and morphological traits and how this effects harvest vulnerability to evaluate the potential for harvest to drive selection on behaviour in wild animal populations.

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Rapid Evolution in the Wild: Changes in Body Size, Life‐History Traits, and Behavior in Hunted Populations of the Japanese Mamushi Snake

Abstract: Rapid evolution caused by human exploitation of wildlife is not usually addressed in studies of the impacts of such exploitation despite its direct relevance to population persistence. Japanese mamushi (Gloydius

Cited by 37 publications

References 30 publications

Venomous Snake Bites in Japan

Venomous Snake Bites in Japan

Reversal of response to artificial selection on body size in a wild passerine

Individual behaviour, growth, survival and vulnerability to hunting in a large mammal

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