Wild boar population fluctuations in a subtropical forest: the crucial role of mast seeding in Ryukyu Islands, Japan.

Authors: Shimada, Takuya, Iijima, Hayato, Kotaka, Nobuhiko

Source: European Journal of Wildlife Research; Jun2024, Vol. 70 Issue 3, p1-11, 11p

Mycorrhizal Fungi of Phalaenopsis japonica (Orchidaceae) and Their Role in Seed Germination and Seedling Development.

Authors: Chamara, R. M. S. Ruwan, Rammitsu, Kento, Minobe, Mutsumi, Kinoshita, Akihiko, Kotaka, Nobuhiko, Yukawa, Tomohisa, Ogura-Tsujita, Yuki

Source: Diversity (14242818); Apr2024, Vol. 16 Issue 4, p218, 16p

Subject Terms: GERMINATION, PHALAENOPSIS, MYCORRHIZAL fungi, LEAF development, ORCHIDS, SEEDLINGS

Geographic Terms: JAPAN

The epiphytic orchid Vanda falcata is predominantly associated with a single Tulasnellaceae fungus in adulthood, and Ceratobasidiaceae fungi strongly induce its seed germination in vitro.

Authors: Rammitsu, Kento, Yamamoto, Nao, Chamara, R. M. S. Ruwan, Minobe, Mutsumi, Kinoshita, Akihiko, Kotaka, Nobuhiko, Ogura‐Tsujita, Yuki

Source: Plant Species Biology; Nov2023, Vol. 38 Issue 6, p306-318, 13p

Subject Terms: ORCHIDS, GERMINATION, LIFE cycles (Biology), MYCORRHIZAL fungi, ADULTS, ENDANGERED species

Geographic Terms: EAST Asia, JAPAN

Discovery of the gall midge Schizomyiacastanopsisae (Diptera: Cecidomyiidae) inducing inflorescence galls on Castanopsissieboldii (Fagaceae) from Honshu, Japan and the possibility of its recent range expansion.

Authors: Tokuda, Makoto, So, Yoshifumi, Kotaka, Nobuhiko

Source: Applied Entomology & Zoology; Nov2023, Vol. 58 Issue 4, p315-322, 8p

Discovery of the gall midge Schizomyiacastanopsisae(Diptera: Cecidomyiidae) inducing inflorescence galls on Castanopsissieboldii(Fagaceae) from Honshu, Japan and the possibility of its recent range expansion

Authors: Tokuda, Makoto, So, Yoshifumi, Kotaka, Nobuhiko

Source: Applied Entomology and Zoology; November 2023, Vol. 58 Issue: 4 p315-322, 8p

Host selection and distribution of Dendrobium okinawense, an endangered epiphytic orchid in Yambaru, Japan.

Authors: Abe, Shin¹ abeshin@ffpri.affrc.go.jp, Kotaka, Nobuhiko², Takashima, Atsushi³, Abe, Tetsuto², Saito, Kazuhiko⁴, Masaki, Takashi¹

Source: Ecological Research. Sep2018, Vol. 33 Issue 5, p1069-1073. 5p.

Subject Terms: *DENDROBIUM, *FOOD chains, *ECOLOGY, *POISONS, *DEFORESTATION

Mammal and bird species using cavities among forests of different ages on Okinawajima Island in the Ryukyu Archipelago, Japan.

Authors: Kobayashi, Shun, Kotaka, Nobuhiko, Nakata, Katsushi, Takashima, Atsushi

Source: Journal of Forest Research; Dec2022, Vol. 27 Issue 6, p439-449, 11p

Hundreds of billions of silent outbreaks: A historic outbreak record of the gall midge Schizomyia castanopsisae (Diptera: Cecidomyiidae) on the Izu Islands, Tokyo, Japan, and its potential mechanism.

Authors: Tokuda, Makoto, Kawauchi, Kota, Matsuda, Hiroki, Naito, Akinori, So, Yoshifumi, Elsayed, Ayman Khamis, Kikuchi, Takeshi, Kotaka, Nobuhiko

Source: Entomological Science; Dec2022, Vol. 25 Issue 4, p1-14, 14p

Subject Terms: GALL midges, HISTORICAL source material, DIPTERA, ISLANDS, COLD (Temperature), HAPLOTYPES

Tree-cavity formation in the mature subtropical forests of Yambaru, Okinawa Island.

Authors: Takashima, Atsushi, Nakanishi, Akira, Morishita, Mina, Abe, Shin, Saito, Kazuhiko, Kotaka, Nobuhiko

Source: Journal of Forest Research; Dec 2021, Vol. 26 Issue 6, p410-418, 9p

Eradication of the mongoose is crucial for the conservation of three endemic bird species in Yambaru, Okinawa Island, Japan.

Authors: Yagihashi, Tsutomu, Seki, Shin-Ichi, Nakaya, Tomoki, Nakata, Katsushi, Kotaka, Nobuhiko

Source: Biological Invasions; Jul2021, Vol. 23 Issue 7, p2249-2260, 12p

Recent nest tree use by the critically endangered Okinawa woodpecker in relation to forest age and two exotic forest pests.

Authors: Kotaka, Nobuhiko, Preble, Jason, Saito, Kazuhiko, Toguchi, Yutaka, Kudaka, Masahiro, Sakoda, Taku, Yagihashi, Tsutomu

Source: Journal of Forest Research; Jun2021, Vol. 26 Issue 3, p192-200, 9p

The endangered epiphytic orchid Dendrobium okinawense has a highly specific mycorrhizal association with a single Tulasnellaceae fungus.

Authors: Rammitsu, Kento, Abe, Shin, Abe, Tetsuto, Kotaka, Nobuhiko, Kudaka, Masahiro, Kudaka, Natsuko, Kinoshita, Akihiko, Ogura-Tsujita, Yuki

Source: Journal of Forest Research; Jun2021, Vol. 26 Issue 3, p215-221, 7p

The endangered epiphytic orchid Dendrobium okinawensehas a highly specific mycorrhizal association with a single Tulasnellaceae fungus

Authors: Rammitsu, Kento, Abe, Shin, Abe, Tetsuto, Kotaka, Nobuhiko, Kudaka, Masahiro, Kudaka, Natsuko, Kinoshita, Akihiko, Ogura-Tsujita, Yuki

Source: Journal of Forest Research; May 2021, Vol. 26 Issue: 3 p215-221, 7p

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Distribution and genetic structure of the Japanese wood pigeon (Columba janthina) endemic to the islands of East Asia.

Authors: Shin-Ichi Seki, Hajime Takano, Kazuto Kawakami, Kotaka, Nobuhiko, Endo, Akira, Takehara, Kenji

Source: Conservation Genetics; Sep2007, Vol. 8 Issue 5, p1109-1121, 13p, 1 Diagram, 2 Charts, 1 Graph, 1 Map

Subject Terms: WOOD pigeon, HABITATS, GENETIC polymorphisms, POPULATION genetics, ANIMAL populations, MITOCHONDRIA, ORGANELLES

Geographic Terms: EAST Asia

On the phylogenetic position of the Okinawa woodpecker ( Sapheopipo noguchii).

Authors: Winkler, Hans, Kotaka, Nobuhiko, Gamauf, Anita, Nittinger, Franziska, Haring, Elisabeth

Source: Journal of Ornithology; Apr2005, Vol. 146 Issue 2, p103-110, 8p

Classical polyandry in the Great Spotted Woodpecker Dendrocopos major.

Authors: Kotaka, Nobuhiko

Source: Ibis; 1998, Vol. 140 Issue 2, p335-336, 2p