Hirotaka Komine

Hirotaka Komine
Yamagata University | YU · Faculty of Agriculture/Graduate School of Agricultural Science

Doctor of Philosophy

About

15
Publications
1,902
Reads
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51
Citations
Citations since 2016
14 Research Items
51 Citations
201620172018201920202021202205101520
201620172018201920202021202205101520
201620172018201920202021202205101520
201620172018201920202021202205101520
Introduction
Skills and Expertise
Additional affiliations
April 2015 - March 2018
Tokyo University of Agriculture and Technology
Position
  • Ph. D candidate

Publications

Publications (15)
Article
Urbanization is a principal driver of global biodiversity loss. Although many studies have examined the impacts of urbanization on biodiversity, we are only beginning to study urbanization as an evolutionary force. Urban environments are hotspots for invasive species, but most previous studies have focused on phenotypic changes in native species re...
Article
To control sawfly populations that cause a forest management problem due to feeding damage, it is necessary to understand the mechanism of eruptive outbreak in erratic intervals by clarifying the nature of natural enemies to the host population fluctuations. In this study, we investigated annual beech sawfly population fluctuations and its predator...
Article
Full-text available
Despite the large body of knowledge recognising the impact of biological invasions on biodiversity, their economic impact has been less evaluated. However, the associated economic costs ought to provide useful information on many different aspects to prevent and manage invasions. Here, we describe the economic costs of biological invasions in Japan...
Article
Full-text available
Invasive predators often decrease the abundance and distribution of native prey, but only a few studies have reported rapid predator-induced morphological and performance changes. An effective prey performance response may actually depend whether the predator uses a sit-and-wait or an active foraging strategy; the former would require prey to obtai...
Article
Full-text available
Artificial light at night (ALAN) is a major form of anthropogenic disturbance. ALAN attracts nocturnal invertebrates, which are a food source for nocturnal predators, including invasive species. Few studies quantify the effects of increased food availablity by ALAN on invasive vertebrate predators, and enhancement of food intake caused by ALAN may...
Article
Amami tip-nosed frog (Odorrana amamiensis) is an endangered species endemic to Amami-Oshima Island and Tokunoshima Island, in Japan. This species is threatened by invasive species and habitat destruction. Although action is needed to protect them, the breeding ecology of O. amamiensis is poorly understood. A better understanding of its breeding eco...
Article
Biological invasions are major threats to global biodiversity, and island ecosystems are especially vulnerable. Many previous studies have reported the presence of invasive species on islands, but relatively few studies have quantified the population status of such species. Furthermore, multiple invasive species are often introduced to the same reg...
Article
Character displacement is phenotypic divergence driven by competition (ecological character displacement) or reproductive interference (reproductive character displacement). Although previous studies have examined these phenomena separately, recent evidence suggests that reproductive interference can drive both reproductive and ecological character...
Article
Invasive predators not only cause native prey populations to decline but can also induce evolutionary changes in their behaviour in a short time scale. However, few studies have reported these rapid responses. This could be because strong predation pressure by invasive species often causes the extinction of native prey before an evolutionary effect...
Article
Full-text available
We observed male-male fighting during the mating process of the whip scorpion Typopeltis stimpsomi (Wood 1862) in the field on Amami-Oshima Island, Japan, and this may be the first report of ago- nistic behavior between male whip scorpions. The fight proceeded in the form of physical contact activities, such as wrestling, as the males grappled and...
Article
Full-text available
We used a generalized linear model (GLM) to investigate environmental characteristics of capture sites of the invasive small Indian mongoose (Herpestes auropunctatus) on Amami Island, Japan. Data were collected from 2002 to 2011, from an area with the lowest mongoose density. Data on capture levels and environmental factors were obtained within 1 ×...

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