Kanji Tomita
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View article: Freshwater degradation as a potential extinction factor of the Japanese river otters
Freshwater degradation as a potential extinction factor of the Japanese river otters Open
Exploring the causes of species extirpation can provide insights into mitigating the ongoing extinction. The Japanese otter Lutra lutra whiteleyi had extincted around 1970s, but their extinction causes remain unknown. To elucidate the ecol…
View article: Cicada as a food for mammals: a global review and implications for mammal behaviour and populations
Cicada as a food for mammals: a global review and implications for mammal behaviour and populations Open
Cicadas (Hemiptera: Cicadidae) are among the most important insect prey for many vertebrate predators, including birds and mammals, owing to their large size and high nutritional value. Although the ecological roles of cicadas as prey for …
View article: Cleaning Interactions Between Crows and Sika Deer: Implications for Tick‐Borne Disease Management
Cleaning Interactions Between Crows and Sika Deer: Implications for Tick‐Borne Disease Management Open
Cleaning interactions between mammals and birds have been widely observed worldwide. Here, we report cleaning interactions between sika deer and crows in Japan, based on a field observations using camera traps and online research. Online r…
View article: Effects of Retention Forestry on Bird Diversity in Cedar and Cypress Plantations
Effects of Retention Forestry on Bird Diversity in Cedar and Cypress Plantations Open
View article: Ecological Consequences of Animal Behavior Change: A Case of Brown Bear Digging for Cicada Nymphs
Ecological Consequences of Animal Behavior Change: A Case of Brown Bear Digging for Cicada Nymphs Open
The Bulletin of the Ecological Society of America is the official record of business of the Ecological Society of America, publishing non-refereed articles that cover ecological events, news and reports.
View article: Brown bear digging decreases tree growth: Implication for ecological role of top predators in anthropogenic landscapes
Brown bear digging decreases tree growth: Implication for ecological role of top predators in anthropogenic landscapes Open
Large carnivores have recently increased in number and recolonized in human‐dominated landscapes; however, their ecological roles in these landscapes have not been well studied. In the Shiretoko World Heritage (SWH) site, brown bears have …
View article: Dataset_Tomita_2024
Dataset_Tomita_2024 Open
This is supplementary materials of Brown bear digging decreases tree growth: implication for ecological role of top predators in anthropogenic landscapes, Kanji Tomita and Tsutom Hiura
View article: Farmer bear: is mammalian digging functionally analogous to agricultural tillage?
Farmer bear: is mammalian digging functionally analogous to agricultural tillage? Open
This dataset was temporally deposited for an in-review manuscript, enttled "Farmer bear: is mammalian digging functionally analogous to agricultural tillage?".
View article: Author Correction: Direct observations of pure electron outflow in magnetic reconnection
Author Correction: Direct observations of pure electron outflow in magnetic reconnection Open
In addition,
View article: Negative effects of brown bear digging on soil nitrogen availability and production in larch plantations in northern Japan: Their potential role as an agent of bioturbation
Negative effects of brown bear digging on soil nitrogen availability and production in larch plantations in northern Japan: Their potential role as an agent of bioturbation Open
View article: Development of experimental mesocosms for cicada nymphs Graptopsaltria nigrofuscata: methodology and research recommendations
Development of experimental mesocosms for cicada nymphs Graptopsaltria nigrofuscata: methodology and research recommendations Open
The experimental mesocosm, an artificial enclosure system for soil organisms, is a major research tool in soil ecology. Development of a rearing method for target organisms within mesocosms is essential for conducting mesocosm experiments.…
View article: Disentangling the direct and indirect effects of canopy and understory vegetation on the foraging habitat selection of the brown bear Ursus arctos
Disentangling the direct and indirect effects of canopy and understory vegetation on the foraging habitat selection of the brown bear Ursus arctos Open
Elucidating the factors affecting the foraging habitat selection of wildlife can further our understanding of the animal- habitat relationships and inform wildlife conservation and management. Canopy and understory vegetation may directly …
View article: Young citizen sensors for managing large carnivores: Lessons from 40 years of monitoring a brown bear population
Young citizen sensors for managing large carnivores: Lessons from 40 years of monitoring a brown bear population Open
Large carnivores encounter various threats from human activities. Population trend detection among carnivore species and implementation of management policies based on monitoring are urgently needed for human–carnivore coexistence. We demo…
View article: Reforestation provides a foraging habitat for brown bears (<i>Ursus arctos</i>) by increasing cicada <i>Lyristes bihamatus</i> density in the Shiretoko World Heritage site
Reforestation provides a foraging habitat for brown bears (<i>Ursus arctos</i>) by increasing cicada <i>Lyristes bihamatus</i> density in the Shiretoko World Heritage site Open
Reforestation, which converts abandoned farmland back into forestland by planting woody species, can provide habitat for wildlife, including the brown bear (Ursus arctos Linnaeus, 1758). In the Shiretoko World Heritage site, northern Japan…
View article: Emergence of a novel interaction between brown bear and cicada due to anthropogenic habitat modification
Emergence of a novel interaction between brown bear and cicada due to anthropogenic habitat modification Open
Novel species interactions have generally emerged in ecosystems that are highly modified by human activities. Anthropogenic habitat modification, such as afforestation, is one possible driver of novel species interactions; however, empiric…
View article: Brown Bear Digging for Cicada Nymphs
Brown Bear Digging for Cicada Nymphs Open
In the Shiretoko World Heritage Area, brown bears have dug for cicada nymphs since 2000. We present some observations on this novel interaction between brown bears and cicada. We found brown bears extremely biased to dig in larch plantatio…