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    题名 作者 年代 出处 被引量
1Crystal growth of high doped Nd:YAG显示文摘Eunchong Kanchanavaleerat Didier Cochet-Muchy Milan Kokta Jennifer Stone-Sundberg Paul Sarkies Julian Sarkies Jonathan Sarkies 2004Optical Materials2004,,4:1
2Crystal Growth of High Doped Nd:YAG显示文摘Eunchong kanchanavaleerat Dider Cochet-Muchy Milan Kokta 2004Optical Materials2004,26,:1
3Temporal and spatial differentiation in microhabitat use: Implications for reproductive isolation and ecological niche specification显示文摘Niche differentiation enables ecologically similar species to coexist by lessening competition over food and/or shelters and may be critical for reproductive isolation between closely related species in close proximity.Be­cause no extra traits need to evolve,spatial and temporal differentiation may readily take place to complement other isolating mechanisms.Two closely related treefrog species occur together in Korea:the endangered Hyla suweonensis and the widespread Hyla japonica.Advertisement calls are differentiated,but it is unclear whether call difference is sufficient for reproductive isolation.We tracked individuals of both species to study fine-scale differentiation in microhabitat use in the diel cycle of the breeding season using a harmonic direction finder.tracking male movement patterns of both species revealed spatial and temporal differentiation in microhabitat use for calling and resting during the breeding season.Males of both H.suweonensis and H.japonica occurred in all 5 microhabitats identified in this study:rice paddy,ground,buried,grass and bush.Both treefrog species showed general similarities in calling from rice paddies and resting in grass and bush.However,H.suweonensis moved into rice paddies and produced advertisement calls 3 h earlier than H.japonica.These differences like­ly minimize contact between the species and provide an additional isolating mechanism.In addition,the activity of H.suweonensis may be contributing to the decline of this species,as resting in grass would increase dangers from predatory birds and habitat disturbance.Amaël BORZÉE Jun Young KIM Marina Andrade Martins DA CUNHA Donggeun Lee Eunchong SIN Sunmin OH Yoonjung YI Yikweon JANG 2016Integrative Zoology2016,11,5:1
4Spring Voices in Korean Rice Fields:The Effect of Abiotic Variables and Syntopic Calls on the Calling Activity of the Treefrog Dryophytes suweonensis显示文摘The calling activity of anurans is influenced by environmental variables and calls produced by syntopic amphibians,among other variables.Some variables have a strong influence,such as temperature and predation dilution,while others may have a periodical influence such as the moon cycle.Here,we hypothesised that the calling activity of the Suweon treefrog,Dryophytes suweonensis,is restricted by specific environmental variables but reinforced by the calling activity of specific syntopic anurans.Within the criteria set by the experimental design,D.suweonensis calling activity was significantly influenced by moon phase,temperature,date,time to sunset and the calling activity of Pelophylax nigromaculatus and D.japonicus.These variables are expected to be related to chorus size,predation,breeding phenology and competition,suggesting a broad plasticity in the calling activity of the species.Borzee AMAEL Sin EUNCHONG Oh SUNMIN Jang YIKWEON 2020Asian Herpetological Research2020,11,4:0
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