Search Results - "NIIYAMA, Kaoru"

Impact of the spatial uncertainty of seed dispersal on tree colonization dynamics in a temperate forest by Masaki, Takashi, Nakashizuka, Tohru, Niiyama, Kaoru, Tanaka, Hiroshi, Iida, Shigeo, Bullock, James M., Naoe, Shoji

“…An aggregated distribution of dispersed seeds may influence the colonization process in tree communities via inflated spatial uncertainty. To evaluate this…”
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The trait‐mediated trade‐off between growth and survival depends on tree sizes and environmental conditions by Iida, Yoshiko, Niiyama, Kaoru, Aiba, Shin‐ichiro, Kurokawa, Hiroko, Kondo, Shuntaro, Mukai, Mana, Mori, Akira S., Saito, Satoshi, Sun, Yi, Umeki, Kiyoshi

“…Interspecific relationships between growth and survival are critical determinants of tree species diversity maintenance in forests. The trade‐offs between…”
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Contribution of tree community structure to forest productivity across a thermal gradient in eastern Asia by Kohyama, Tetsuo I., Sheil, Douglas, Sun, I-Fang, Niiyama, Kaoru, Suzuki, Eizi, Hiura, Tsutom, Nishimura, Naoyuki, Hoshizaki, Kazuhiko, Wu, Shu-Hui, Chao, Wei-Chun, Nur Hajar, Zamah S., Rahajoe, Joeni S., Kohyama, Takashi S.

“…Despite their fundamental importance the links between forest productivity, diversity and climate remain contentious. We consider whether variation in…”
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Trade‐off between standing biomass and productivity in species‐rich tropical forest: Evidence, explanations and implications by Kohyama, Takashi S., Potts, Matthew D., Kohyama, Tetsuo I., Niiyama, Kaoru, Yao, Tze Leong, Davies, Stuart J., Sheil, Douglas, Zotz, Gerhard

“…Despite its broad implications for community structure and dynamics, we lack a clear understanding of how forest productivity is partitioned among tree…”
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Estimation of light-use efficiency through a combinational use of the photochemical reflectance index and vapor pressure deficit in an evergreen tropical rainforest at Pasoh, Peninsular Malaysia by Nakaji, Tatsuro, Kosugi, Yoshiko, Takanashi, Satoru, Niiyama, Kaoru, Noguchi, Shoji, Tani, Makoto, Oguma, Hiroyuki, Nik, Abdul Rahim, Kassim, Abd Rahman

“…In the search for a better method of estimating the light-use efficiency (LUE) of evergreen tropical rainforests, we employed remotely sensed spectral…”
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Long-term changes in vegetation and land use in mountainous areas with heavy snowfalls in northern Japan: an 80-year comparison of vegetation maps by Shitara, Takuto, Kurokawa, Hiroko, Oguro, Michio, Sasaki, Takehiro, Ohashi, Haruka, Niiyama, Kaoru, Shibata, Mitsue, Matsui, Tetsuya

“…Comparison of old and new vegetation maps is an effective way to detect vegetation dynamics. Recent developments in computer technology have made it possible…”
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Historic deforestation and non‐native plant invasions determine vegetation trajectories across an oceanic archipelago by Ohashi, Haruka, Kato, Hitoshi, Murao, Mina, Kato, Hidetoshi, Kawakami, Kazuto, Kurokawa, Hiroko, Oguro, Michio, Kimura, Fuku, Niiyama, Kaoru, Matsui, Tetsuya, Shibata, Mitsue

“…Questions Oceanic islands are global hotspots of endemism and evolutionary radiations but many have been severely degraded by human activities and biological…”
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Spatial variations of soil silicon availability and biogenic silicon flux in a lowland tropical forest in Malaysia by Ishizawa, Hidehiro, Niiyama, Kaoru, Iida, Yoshiko, Shari, Nur H. Z., Ripin, Azizi, Kitajima, Kaoru

“…Tropical tree species differ widely in their silicon (Si) accumulation patterns, but the implications of such species differences for ecosystem Si flux remain…”
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UAV-based height measurement and height–diameter model integrating taxonomic effects: exploring vertical structure of aboveground biomass and species diversity in a Malaysian tropical forest by Takeuchi, Yayoi, Borjigin, Habura, Niiyama, Kaoru, Sato, Tamotsu, Fukaya, Keiichi, Okuda, Toshinori, Hayashi, Masato, Omar, Hamdan, Norizan, Azharizan Mohammad

“…The complex stratification of tropical forests is a key feature that directly contributes to high aboveground biomass (AGB) and species diversity. This study…”
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Verification of the accuracy of the recent 50 years of tree growth and long‐term change in intrinsic water‐use efficiency using xylem Δ14C and δ13C in trees in an aseasonal tropical rainforest by Ichie, Tomoaki, Igarashi, Shuichi, Yoshihara, Ryo, Takayama, Kanae, Kenzo, Tanaka, Niiyama, Kaoru, Zamah Shari, Nur Hajar, Hyodo, Fujio, Tayasu, Ichiro

“…Growth analysis based on tree‐ring chronology is difficult in trees in aseasonal tropical rain forests, because annual growth rings may be unclear or…”
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Data paper: Long‐term litter production in a lowland dipterocarp forest, Peninsular Malaysia from 1992 to 2017 by Niiyama, Kaoru, Ripin, Azizi, Yasuda, Masatoshi, Sato, Tamotsu, Zamah Shari, Nur H.

“…Tropical rainforests in Southeast Asia dominated by Dipterocarpaceae show a unique reproductive event, general flowering. This paper records long‐term seed…”
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Mixed Mating System Are Regulated by Fecundity in Shorea curtisii (Dipterocarpaceae) as Revealed by Comparison under Different Pollen Limited Conditions by Tani, Naoki, Tsumura, Yoshihiko, Fukasawa, Keita, Kado, Tomoyuki, Taguchi, Yuriko, Lee, Soon Leong, Lee, Chai Ting, Muhammad, Norwati, Niiyama, Kaoru, Otani, Tatsuya, Yagihashi, Tsutomu, Tanouchi, Hiroyuki, Ripin, Azizi, Kassim, Abdul Rahman

“…The maintenance of mixed mating was studied in Shorea curtisii, a dominant and widely distributed dipterocarp species in Southeast Asia. Paternity and…”
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Analysis of the disassortative mating pattern in a heterodichogamous plant, Acer mono Maxim. using microsatellite markers by Kikuchi, Satoshi, Shibata, Mitsue, Tanaka, Hiroshi, Yoshimaru, Hiroshi, Niiyama, Kaoru

“…Heterodichogamy is a form of sex expression in which protandrous and protogynous individuals coexist, and is considered to be a mechanism that avoids selfing…”
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Male fecundity and pollen dispersal in hill dipterocarps: significance of mass synchronized flowering and implications for conservation by Tani, Naoki, Tsumura, Yoshihiko, Fukasawa, Keita, Kado, Tomoyuki, Taguchi, Yuriko, Lee, S. L., Lee, C. T., Muhammad, Norwati, Niiyama, Kaoru, Otani, Tatsuya, Yagihashi, Tsutomu, Ripin, Azizi, Kassim, Abdul Rahman

“…1. To understand pollinator–plant symbioses and to conserve forest resources effectively, we need an understanding of pollen dispersal patterns and the…”
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Effects of Abiotic and Biotic Factors and Stochasticity on Tree Regeneration in a Temperate Forest Community by Shibata, Mitsue, Masaki, Takashi, Tanaka, Hiroshi, Niiyama, Kaoru, Iida, Shigeo, Abe, Shin, Nakashizuka, Tohru

“…How deterministic or stochastic is tree regeneration in a temperate forest? To answer this question, we analyzed the relative effects of abiotic and biotic…”
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Forest stand structure, composition, and dynamics in 34 sites over Japan by Ishihara, Masae I., Suzuki, Satoshi N., Nakamura, Masahiro, Enoki, Tsutomu, Fujiwara, Akio, Hiura, Tsutom, Homma, Kosuke, Hoshino, Daisuke, Hoshizaki, Kazuhiko, Ida, Hideyuki, Ishida, Ken, Itoh, Akira, Kaneko, Takayuki, Kubota, Kaname, Kuraji, Koichiro, Kuramoto, Shigeo, Makita, Akifumi, Masaki, Takashi, Namikawa, Kanji, Niiyama, Kaoru, Noguchi, Mahoko, Nomiya, Haruto, Ohkubo, Tatsuhiro, Saito, Satoshi, Sakai, Takeshi, Sakimoto, Michinori, Sakio, Hitoshi, Shibano, Hirofumi, Sugita, Hisashi, Suzuki, Mitsuo, Takashima, Atsushi, Tanaka, Nobuyuki, Tashiro, Naoaki, Tokuchi, Naoko, Yoshida, Toshiya, Yoshida, Yumiko

“…This data paper reports tree census data collected in a network of 34 forest sites in Japan. This is the largest forest data set freely available in Japan to…”
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Monitoring of the ground-dwelling beetle community and forest floor environment in 22 temperate forests across Japan by Niwa, Shigeru, Toyota, Ayu, Kishimoto, Toshio, Sasakawa, Kôji, Abe, Shin, Chishima, Takeshi, Higa, Motoki, Hiura, Tsutom, Homma, Kosuke, Hoshino, Daisuke, Ida, Hideyuki, Kamata, Naoto, Kaneko, Yohei, Kawanishi, Motohiro, Kobayashi, Kazutaka, Kubota, Kaname, Kuraji, Koichiro, Masaki, Takashi, Niiyama, Kaoru, Noguchi, Mahoko, Nomiya, Haruto, Saito, Satoshi, Sakimoto, Michinori, Sakio, Hitoshi, Sato, Shigeho, Shibata, Mitsue, Takashima, Atsushi, Tanaka, Hiroshi, Tashiro, Naoaki, Tokuchi, Naoko, Torikai, Hisahiro, Yoshida, Toshiya

“…This data paper reports census data of ground-dwelling beetle and other fauna of the forest floor environment; collections were made from a network of 22…”
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Temporal dynamics and resilience of fine litterfall in relation to typhoon disturbances over 14 years in an old-growth lucidophyllous forest in southwestern Japan by Sato, Tamotsu, Kominami, Yohsuke, Saito, Satoshi, Niiyama, Kaoru, Tanouchi, Hiroyuki, Nagamatsu, Dai, Nomiya, Haruto

“…We examined fine litterfall fluctuations on a seasonal and annual scale for 14 years (1992-2005) in a 1.2-ha plot in an old-growth lucidophyllous (evergreen…”
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Changes in forest resource utilization and forest landscapes in the southern Abukuma Mountains, Japan during the twentieth century by Miyamoto, Asako, Sano, Makoto, Tanaka, Hiroshi, Niiyama, Kaoru

“…Land use and landscape changes, which have much effect on local biodiversity, are driven primarily by socioeconomic forces. Understanding these forces is…”
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Synchronized Annual Seed Production by 16 Principal Tree Species in a Temperate Deciduous Forest, Japan by Shibata, Mitsue, Tanaka, Hiroshi, Iida, Shigeo, Abe, Shin, Masaki, Takashi, Niiyama, Kaoru, Nakashizuka, Tohru

“…To investigate synchronized annual fluctuation of seed production and its advantage for regeneration at the community level, for nine years (1987-1995) we…”
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