研究室メンバー◆◆

 

千葉 聡                  
                

専門:
動物生態学・群集生態学・行動生態学・進化生物学
集団遺伝学・保全生物学
所属:
東北大学・大学院生命科学研究科 教授
生態システム生命科学専攻 保全生物学分野 
(東北大学・東北アジア研究センター)

教育担当:
大学院生命科学研究科
生態システム生命科学専攻
理学部

所属学会:
Society for the Study of Evolution・
The American Society of Naturalist・

The Malacological Society of London・The Society for Conservation Biology


研究テーマと主な論文 (アンダーラインは研究室メンバー)


海洋島で起きる適応放散
Chiba, S. (1996) Ecological and morphological diversification and character displacement in Mandarina, an endemic land snail of the Bonin Islands. Journal of Evolutionary Biology 9: 277-291
Chiba, S.
(1999) Accelerated evolution of land snails Mandarina in the oceanic Bonin Islands: evidence from mitochondrial DNA sequences. Evolution 53:460-471
Chiba, S. (2004) Ecological and morphological patterns in communities of land snails of the genus Mandarina from the Bonin Islands. Journal of Evolutionary Biology 17:131-143.

Chiba, S. and Cowie R.H. (2016) Evolution and extinction of land snails on oceanic Islands. Annu. Rev. Ecol. Evol. Syst 47: 123-141.


交雑による進化的新奇性の創出

Chiba, S. (2005) Appearance of morphological novelty in a hybrid zone between two species of land snail. Evolution 59:1712-1720

交雑と種分化
Chiba, S. (1993) Modern and historical evidences of natural hybridization between sympatric species in Mandarina (Pulmonata, Camaenidae). Evolution 47:1539-1556
Chiba, S. (1998) Genetic variation derived from natural gene flow between sympatric species of land snails. Heredity 80: 617-623
Davison, A., Chiba, S., Barton, N.H. and Clarke B.C. (2005) Speciation and gene flow between snails of opposing chirality. PLoS Biology 3: 1559-1571.


気候変動の分布と遺伝的変異への影響
Davison, A. and Chiba, S. (2008) Contrasting response to Pleistocene climate change by ground living and arboreal Mandarina snails from the oceanic Hahajima archipelago. Phil. Trans. R. Soc. Lond. B 363:3391-3400
Watanabe, Y. and Chiba, S. (2001) High within-population mitochondrial DNA variation due to microvicariance and population mixing in the land snail Euhadra quaesita (Pulmonata, Bradybaenidae). Molecular Ecology 10:2635-2645


生態系の保全、外来種の影響とその緩和策
Chiba, S. (2010) Invasive non-native species’ provision of refugia for endangered native species. Conservation Biology 24: 1141–1147
Chiba, S. (2010) Invasive rats alter assemblage characteristics of land snails in the Ogasawara Islands. Biological Conservation 143:1558-1563

Uchida, S., Mori, H., Kojima, T., Hayama, K., Sakairi, Y., and Chiba, S. (2016) Effects of an invasive ant on land snails in the Ogasawara Islands. Conservation Biology 30: doi:10.1111/cobi.12724

種多様性パターンの決定要因と絶滅
Chiba, S., Okochi, I., Obayashi, T., Miura, D., Mori, H., Kimura, K., and Wada, S. (2009) Effect of habitat history and extinction selectivity on species richness pattern of an island snail fauna. Journal of Biogeography 36: 1913-1922
Chiba, S., and Roy, K. (2011) Selectivity of terrestrial gastropod extinctions on an oceanic archipelago and insights into the anthropogenic extinction process. Proc. Natl. Acad. Sci. USA 108: 9496-9501


群集構造と種多様性パターンを決める要因
Chiba, S. (2007) Species richness patterns along environmental gradients in island land molluscan fauna. Ecology 88:1738-1746

性的対立による交尾行動の進化
Koene, J. and Chiba, S. (2006) The way of the samurai snail. American Naturalist 168:553-555
Kimura, K., and Chiba, S. (2015) The direct cost of traumatic secretion transfer in hermaphroditic land snails: individuals stabbed with a love dart decrease lifetime fecundity. Proc. R. Soc. Lond. B 282:  doi:10.1098/rspb.2014.3063

捕食者-被食者の共進化
Konuma, J., Sota, T., and Chiba, S. (2013) A maladaptive intermediate form: A strong trade-off revealed by hybrids between two forms of a snail feeding beetles. Ecology 94:2638–2644.

Konuma, J. and Chiba,S. (2007) Trade-offs between force and fit: extreme morphologies associated with feeding behavior in carabid beetles. American Naturalist 170:90-100

捕食による分散
Wada, S., Kawakami, K., and Chiba, S. (2012) Snails can survive passage through a bird’s digestive system.
Journal of Biogeography
39:69-73


形に対する物理的制約の効果
Okajima, R. and Chiba, S. (2009) Cause of bimodal distribution in the shape of a terrestrial gastropod. Evolution 63: 2877-2887
Okajima, R. and Chiba, S. (2011) How does life adapt to a gravitational environment?: the outline of the terrestrial gastropod shell. American Naturalist 178:801-809
Okajima, R., and Chiba, S. (2013) Adaptation from restricted geometries: The shell inclination of terrestrial gastropods. Evolution 67:429-437.

外来種とその寄生虫の侵入様式
Miura, O., Torchin, M., Kuris, A.M., Hechinger R.F., and Chiba, S. (2006) Introduced cryptic species of parasites exhibit different invasion pathways. Proc. Natl. Acad. Sci. USA 103:19818-19823

寄生虫によるホストの行動操作
Miura, O., Kuris, A.M., Torchin, M.E., Hechinger R.F., and Chiba, S. (2006) Parasites alter host phenotype and create a new ecological niche for snail hosts. Proc. R. Soc. Lond. B 273:1323-1328

化石記録が示す不連続的進化パターン
Chiba, S. (1996) A 40000-year record of discontinuous evolution of island snails. Paleobiology 22: 177-188.
Chiba, S. (1998) Synchronized evolution in lineages of land snails in an oceanic island. Paleobiology 24: 99-108

繁殖干渉によるニッチ分化の理論
Konuma J. and Chiba, S. (2007) Ecological character displacement caused by reproductive interference. Journal of Theoretical Biology 247:354-364

長期的な種多様性パターンの理論
Chiba, S. (1998) A mathematical model for lomg-term patterns of evolution: effects of environmental stability and instability on macroevolutionary patterns and mass extinctions. Paleobiology 24: 336-348

Suzuki, T. and Chiba, S. (2016) Dynamics of evolutionary radiation under ecological neutrality. Journal of Theoretical Biology 406:1-7

 

 

担当講義

学部:
   生命科学A (隔年)
   生命科学C(隔年)
   保全生物学

   進化生物学 
   生物学演習 
   短期留学生受入プログラム講義 Ecology and evolution (隔年)
   動物生態学実習
   生物学へのアプローチ(年1回)
大学院:
   生態学合同講義(年1回)
   保全生物学特論

社会貢献

   各種行政関係委員会、検討会委員等