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Ecological Science Lab
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A lab that chases insects and spiders to explore the mechanisms of ecology, evolution, and behavior.
AboutAbout the lab
Seen through evolutionary ecology, not bound to any one study organism.
The Ecological Science Lab conducts research grounded in evolutionary ecology, without being limited to particular study organisms.
Ecology is a field that seeks to explain the evolution and diversity of life by examining adaptive strategies and interactions arising at different levels, such as individuals, populations, and communities, as well as changes in the distribution and abundance of organisms.
While advancing basic research under keywords such as evolution, behavior, morphology, and phylogeny, the lab also tackles societal issues such as the conservation of rare species and the management of pests.
Student research topics mainly deal with arthropods such as spiders and stink bugs.
Key terms
- Evolutionary ecology
- A field that tries to explain the traits and behavior of organisms in terms of how they were advantageous in the course of evolution
- Natural selection
- The mechanism by which traits that make it easier to survive and leave offspring spread through a population over successive generations
- Symbiotic microbes
- Bacteria and fungi that live together with insects and other organisms, inside or on their bodies, and influence their ways of life
NewsLab news
A research group including Assistant Professor Keizo Takasuka elucidates how socially parasitic ants promote the killing of the host queen
A research group including Associate Professor Takahiro Hosokawa elucidates how stink bugs protect their eggs from parasitoid wasps using symbiotic fungi
A master's student wins a Student Presentation Award at the 57th Annual Meeting of the Arachnological Society of Japan
A paper on the destruction of copulatory organs in spiders, by a doctoral student and Professor Haruki Tatsuta and colleagues, has been published
ResearchResearch themes
The lab studies evolutionary ecology and related fields, focusing mainly on arthropods. It investigates how symbiotic microbes contribute to insect diversification and what interactions occur between parents and offspring and between males and females. It also conducts applied research, including the conservation of rare species in the Nansei Islands, invasive species problems, and pest management.
*Illustrative imageEcology
Investigates how organisms live in nature. Subjects include the relationships between organisms and their environment and the interactions among individuals.
*Illustrative imageEvolution
Pursues the mechanisms that generate the diversity and complexity of life. Genetic mutation, natural selection, genetic drift, and biogeographic differentiation serve as clues.
*Illustrative imageBehavior
Investigates what behavioral patterns organisms adopt in relation to other individuals, natural enemies, prey, and the environment, and what effects those behaviors have.
MembersFaculty
The lab's members consist of faculty, graduate students, collaborative researchers, and undergraduate students.
- ProfessorHaruki Tatsuta
- Associate ProfessorTakahiro Hosokawa
- Assistant ProfessorKeizo Takasuka
VoicesStudent voices
Compiled from answers by students who were in the lab. Ratings and reviews reflect individual students' experiences, not the lab's official views.
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Carrhotus viduus Jumping spider - Salticidae three-quarter view in Don Det Laos - Focus stacking” Basile Morin / CC BY-SA 4.0 (cropped)
- Ecology: “CH.ZG.Zug Zugerberg Ants-and-aphids 67 16x9-R 5120x2880” Roy Egloff / CC BY-SA 4.0 (cropped)
- Evolution: “Giant Leaf Insect (Phyllium giganteum) ( )” Bernard DUPONT from FRANCE / CC BY-SA 2.0 (cropped)
- Behavior: “2016 Pajęczyna 2” Jacek Halicki / CC BY-SA 4.0 (cropped)
- Related lab (環境微生物生態学研究室): “Bioremediation at INL” ENERGY.GOV / Public domain (cropped)
- Related lab (海洋生物学研究室 (天草臨海実験所)): “Coral reef fish swim above the coral slope” jadhav vikram / CC BY-SA 4.0 (cropped)
- Related lab (細胞機能学研究室): “Cell cycle showing G0 G1 arrest” Lucia de Diego Mialdea / CC BY-SA 4.0 (cropped)
- Related lab (植物生理学研究室): “Lilium stoma L” Jon Houseman / CC BY-SA 4.0 (cropped)
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