Search Results - "Namba, Toshiyuki"

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  1. 1

    Density regulation of co-occurring herbivores via two indirect effects mediated by biomass and non-specific induced plant defenses by Yamauchi, Atsushi, Ikegawa, Yusuke, Ohgushi, Takayuki, Namba, Toshiyuki

    Published in Theoretical ecology (01-03-2021)
    “…Two herbivorous species that share a single plant can interact indirectly with one another, even without direct interaction. One type of indirect interaction…”
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  2. 2

    Dynamics of predator and modular prey: effects of module consumption on stability of prey–predator system by Yamauchi, Atsushi, Namba, Toshiyuki

    Published in Oikos (01-02-2014)
    “…In traditional models of predator–prey population dynamics, it is usually assumed that consumed prey are immediately removed from the population. However, in…”
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  3. 3

    Effects of generalized and specialized adaptive defense by shared prey on intra-guild predation by Ikegawa, Yusuke, Ezoe, Hideo, Namba, Toshiyuki

    Published in Journal of theoretical biology (07-01-2015)
    “…Intra-guild predation (IGP), predation on consumers which share common prey with the predators, is an important community module to understand a mechanism for…”
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  4. 4

    Evaluation of a pump method for unbiased sampling of stream hyporheos by Tanaka, Aki, Namba, Toshiyuki, Tanida, Kazumi, Takemon, Yasuhiro

    Published in Hydrobiologia (01-06-2014)
    “…The applicability of a pump method for field surveys of hyporheos was investigated for taxon-specific collection bias by comparing a pump method with a core…”
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    Journal Article
  5. 5

    Adaptive defense of pests and switching predation can improve biological control by multiple natural enemies by Ikegawa, Yusuke, Ezoe, Hideo, Namba, Toshiyuki

    Published in Population ecology (01-04-2015)
    “…One of the most important questions in biological control is whether multiple natural enemies can provide greater suppression of agricultural pests than a…”
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  6. 6

    A theoretical study on effects of cultivation management on biological pest control: A spatially explicit model by Ikegawa, Yusuke, Mori, Kotaro, Ohasa, Makiko, Fujita, Ippei, Watanabe, Takeo, Ezoe, Hideo, Namba, Toshiyuki

    Published in Biological control (01-02-2016)
    “…[Display omitted] •Cultivation management such as thinning may interfere with biological control.•A metapopulation model is built for control of herbaceous…”
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  7. 7

    Dispersal-mediated coexistence of indirect competitors in source-sink metacommunities by Namba, Toshiyuki

    “…The source-sink dynamics is a major hypothesis to explain dispersal-mediated coexistence of locally exclusive competitors. We study Lotka-Volterra diffusive…”
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  8. 8

    Multi-faceted approaches toward unravelling complex ecological networks by Namba, Toshiyuki

    Published in Population ecology (01-01-2015)
    “…The main theme of this Special Feature is the complexity-stability relationship and diversity of interaction types. Five articles by leading authors are…”
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  9. 9

    Continuous irregular dynamics with multiple neutral trajectories permit species coexistence in competitive communities by Yamauchi, Atsushi, Ito, Koichi, Shibasaki, Shota, Namba, Toshiyuki

    Published in Theoretical population biology (01-02-2023)
    “…The colonization model formulates competition among propagules for habitable sites to colonize, which serves as a mechanism enabling coexistence of multiple…”
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  10. 10

    Anastomotic aneurysms after surgical treatment of Takayasu's arteritis: A 40-year experience by Miyata, Tetsuro, Sato, Osamu, Deguchi, Jun-o, Kimura, Hideo, Namba, Toshiyuki, Kondo, Keisuke, Makuuchi, Masatoshi, Hamada, Chikuma, Takagi, Atsuhiko, Tada, Yusuke

    Published in Journal of vascular surgery (01-03-1998)
    “…Purpose: To evaluate the clinical characteristics of anastomotic aneurysms that develop in surgically treated patients with Takayasu's arteritis. Methods:…”
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  11. 11

    Influence of predator-specific defense adaptation on intraguild predation by Nakazawa, Takefumi, Miki, Takeshi, Namba, Toshiyuki

    Published in Oikos (01-03-2010)
    “…The persistence of intraguild predation (IGP), the prey-predator interaction between competing species, is puzzling because simple IGP models readily predict…”
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  12. 12

    Evaluation of a pump method for unbiased sampling of stream hyporheos by Tanaka, Aki, Namba, Toshiyuki, Tanida, Kazumi, Takemon, Yasuhiro

    Published in Hydrobiologia (01-06-2014)
    “…The applicability of a pump method for field surveys of hyporheos was investigated for taxonspecific collection bias by comparing a pump method with a core…”
    Get full text
    Journal Article
  13. 13

    Omnivory creates chaos in simple food web models by Tanabe, Kumi, Namba, Toshiyuki

    Published in Ecology (Durham) (01-12-2005)
    “…Omnivory, defined as feeding on more than one trophic level, was considered rare in nature because of its destabilizing effect. However, recent elaborate…”
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  14. 14

    Food Web Graph of a Coevolutionarily Stable Community by Matsuda, Hiroyuki, Namba, Toshiyuki

    Published in Ecology (Durham) (01-02-1991)
    “…A model community, which consists of multiple trophic levels (several species of prey, and several predator species including omnivores) is considered from the…”
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  15. 15

    Omnivory and stability of food webs by Namba, Toshiyuki, Tanabe, Kumi, Maeda, Naomi

    Published in Ecological complexity (01-06-2008)
    “…The role and prevalence of omnivory, defined as feeding on more than one trophic level, are critical to understand food web structure and dynamics. Whether…”
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  16. 16

    Utilization of the lateral circumflex femoral artery as a midway outflow for aorto-popliteal grafting: report of a case by Sugawara, Y, Sato, O, Miyata, T, Kimura, H, Namba, T, Makuuchi, M

    Published in Surgery today (Tokyo, Japan) (01-01-1998)
    “…We describe herein the case of a patient who presented with total occlusion of all the major arteries in the unilateral iliofemoral region, including the…”
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  17. 17

    Surgery for descending thoracic aortic anastomotic aneurysms with a temporary external bypass method by Miyata, T, Sato, O, Deguchi, J, Kimura, H, Namba, T, Kondo, K, Makuuchi, M, Tada, Y

    Published in Surgery today (Tokyo, Japan) (01-01-1999)
    “…The surgical treatment of descending thoracic aortic anastomotic aneurysms is technically challenging. The purpose of this study was to evaluate the use of a…”
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  18. 18

    Aortoesophageal fistula: report of an unusual case by Sugawara, Y, Tada, Y, Sato, O, Miyata, T, Kimura, H, Namba, T, Makuuchi, M

    Published in Surgery today (Tokyo, Japan) (01-01-1998)
    “…We report herein the case of a patient with an aortoesophageal fistula (AEF) who was managed successfully by surgery. A 5-mm oval, well circumscribed aortic…”
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  19. 19

    Dispersal-mediated coexistence of competing predators by Namba, Toshiyuki, Hashimoto, Chiemi

    Published in Theoretical population biology (01-08-2004)
    “…Models of metapopulations have often ignored local community dynamics and spatial heterogeneity among patches. However, persistence of a community as a whole…”
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  20. 20

    The Effects of Habitat Fragmentation on Persistence of Source–Sink Metapopulations in Systems with Predators and Prey or Apparent Competitors by Namba, Toshiyuki, Umemoto, Asako, Minami, Eriko

    Published in Theoretical population biology (01-08-1999)
    “…We consider systems with one predator and one prey, or a common predator and two prey species (apparent competitors) in source and sink habitats. In both…”
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