L2021005 Hydrospheric EcologyII

Hiroshima University Syllabus

Japanese

Academic Year 2025Year School/Graduate School School of Applied Biological Science

Lecture Code L2021005 Subject Classification Specialized Education

Subject Name 水圏生態学II

Subject Name
（Katakana）スイケンセイタイガクII

Subject Name in
English Hydrospheric EcologyII

Instructor SAITOU HIDETOSHI,TOYOTA KENJI

Instructor
(Katakana) サイトウ　ヒデトシ,トヨタ　ケンジ

Campus Higashi-Hiroshima Semester/Term 3rd-Year, First Semester, 1Term

Days, Periods, and Classrooms (1T) Thur1-4：ABS C302

Lesson Style Lecture Lesson Style
(More Details) Face-to-face, Online (simultaneous interactive), Online (on-demand)

Mainly lecture, sometimes writing and discussion

Credits 2.0 Class Hours/Week 4 Language of Instruction O : Others

Course Level 3 : Undergraduate High-Intermediate

Course Area（Area） 26 : Biological and Life Sciences

Course Area（Discipline） 01 : Agricultural Sciences

Eligible Students

Keywords benthos, classification, ecology, material circulation, biological indicator, food

Special Subject for Teacher Education 　 Special Subject 　

Class Status
within Educational
Program
(Applicable only to targeted subjects for undergraduate students)
Criterion referenced
Evaluation
(Applicable only to targeted subjects for undergraduate students) Integrative Hydrospheric Science Program
（Knowledge and Understanding）
・To comprehensively understand morphological, ecological, physiological, pathological, biochemical, and genetic features of various creatures in hydrosphere.
・Understanding on relation between form and ecology of hydrosphere organisms and hydrosphere environment

Class Objectives
/Class Outline To understand the importance of roles of aquatic organisms, particularly benthos in various functions of aquatic ecosystems by researching feeding, reproductive and community ecology of benthos.

Class Schedule lesson1 What is benthos?

lesson2 Classification
lesson3 Freshwater environment
lesson4 Life history
lesson5 Intraspecific and interspecific relationships
lesson6 Invasive species
lesson7 Environmental disturbances and biological communities
lesson8 Material circulation
lesson9 Population genetic structure
lesson10 Connections between forests, villages, rivers, and the sea
lesson11 Impact of human activities on aquatic ecosystems 1
lesson12 Impact of human activities on aquatic ecosystems 2
lesson13 Coastal ecology 1
lesson14 Coastal ecology 2
lesson15 Tidal flat ecology

To explain taxonomy, life cycle and roles in community and food web and to mention roles in material circulation and usefulness as environmental indicators.

Text/Reference
Books,etc. Hirabayashi K, Tojyo K 2024 An Introduction to River Ecology Kyoritsu-pub
Japanese Association of Benthology. (2020). Introduction to Coastal Animal Ecology: Learning from the Diversity of Benthic Organisms. Kaibundo Pub

PC or AV used in
Class,etc.

(More Details) print, powerpoint

Learning techniques to be incorporated

Suggestions on
Preparation and
Review After lesson 1 To make an overal image of ecology.
After lesson 2 To classify benthos from various viewpoints.
After lesson 3 To understand various freshwater environment.
After lesson 4 To understand some features of life history of freshwater organisms and the meaning in survival strategy.
After lesson 5 To understand Intraspecific and interspecific relationships of freshwater organisms and the meaning in survival strategy.
After lesson 6 To study various examples of Invasive species.
After lesson 7 To understand effect of environmental disturbances to freshwater communities.
After lesson 8 To recognize the roles of freshwater organisms in material circulation.
After lesson 9 To understand population genetic structurethe and to recognize the meaning of environmental preservation in freshwater.
After lesson 10 Understanding the importance of connections between forests, villages, rivers, and the sea
After lesson 11 Understanding the effects of endcorine-disrupting chemicals
After lesson 12 Understanding recent environmental issues such as pharmaceutical pollution and microplastics
After lesson 13 Understanding the classification of marine organisms
After lesson 14 Understanding the environment and ecology of Japan’s coastal areas
After lesson 15 Understanding the ecosystem of tidal flats

Requirements

Grading Method Attitude toward class participation and test

Practical Experience

Summary of Practical Experience and Class Contents based on it

Message

Other

Please fill in the class improvement questionnaire which is carried out on all classes.
Instructors will reflect on your feedback and utilize the information for improving their teaching.

Academic Year	2025Year	School/Graduate School	School of Applied Biological Science
Lecture Code	L2021005	Subject Classification	Specialized Education
Subject Name	水圏生態学II
Subject Name （Katakana）	スイケンセイタイガクII
Subject Name in English	Hydrospheric EcologyII
Instructor	SAITOU HIDETOSHI,TOYOTA KENJI
Instructor (Katakana)	サイトウ　ヒデトシ,トヨタ　ケンジ
Campus	Higashi-Hiroshima	Semester/Term	3rd-Year, First Semester, 1Term
Days, Periods, and Classrooms	(1T) Thur1-4：ABS C302
Lesson Style	Lecture	Lesson Style (More Details)	Face-to-face, Online (simultaneous interactive), Online (on-demand)
Mainly lecture, sometimes writing and discussion
Credits	2.0	Class Hours/Week	4	Language of Instruction	O : Others
Course Level	3 : Undergraduate High-Intermediate
Course Area（Area）	26 : Biological and Life Sciences
Course Area（Discipline）	01 : Agricultural Sciences
Eligible Students
Keywords	benthos, classification, ecology, material circulation, biological indicator, food
Special Subject for Teacher Education		Special Subject
Class Status within Educational Program (Applicable only to targeted subjects for undergraduate students)
Criterion referenced Evaluation (Applicable only to targeted subjects for undergraduate students)	Integrative Hydrospheric Science Program （Knowledge and Understanding）・To comprehensively understand morphological, ecological, physiological, pathological, biochemical, and genetic features of various creatures in hydrosphere. ・Understanding on relation between form and ecology of hydrosphere organisms and hydrosphere environment
Class Objectives /Class Outline	To understand the importance of roles of aquatic organisms, particularly benthos in various functions of aquatic ecosystems by researching feeding, reproductive and community ecology of benthos.
Class Schedule	lesson1 What is benthos? lesson2 Classification lesson3 Freshwater environment lesson4 Life history lesson5 Intraspecific and interspecific relationships lesson6 Invasive species lesson7 Environmental disturbances and biological communities lesson8 Material circulation lesson9 Population genetic structure lesson10 Connections between forests, villages, rivers, and the sea lesson11 Impact of human activities on aquatic ecosystems 1 lesson12 Impact of human activities on aquatic ecosystems 2 lesson13 Coastal ecology 1 lesson14 Coastal ecology 2 lesson15 Tidal flat ecology To explain taxonomy, life cycle and roles in community and food web and to mention roles in material circulation and usefulness as environmental indicators.
Text/Reference Books,etc.	Hirabayashi K, Tojyo K 2024 An Introduction to River Ecology Kyoritsu-pub Japanese Association of Benthology. (2020). Introduction to Coastal Animal Ecology: Learning from the Diversity of Benthic Organisms. Kaibundo Pub
PC or AV used in Class,etc.
(More Details)	print, powerpoint
Learning techniques to be incorporated
Suggestions on Preparation and Review	After lesson 1 To make an overal image of ecology. After lesson 2 To classify benthos from various viewpoints. After lesson 3 To understand various freshwater environment. After lesson 4 To understand some features of life history of freshwater organisms and the meaning in survival strategy. After lesson 5 To understand Intraspecific and interspecific relationships of freshwater organisms and the meaning in survival strategy. After lesson 6 To study various examples of Invasive species. After lesson 7 To understand effect of environmental disturbances to freshwater communities. After lesson 8 To recognize the roles of freshwater organisms in material circulation. After lesson 9 To understand population genetic structurethe and to recognize the meaning of environmental preservation in freshwater. After lesson 10 Understanding the importance of connections between forests, villages, rivers, and the sea After lesson 11 Understanding the effects of endcorine-disrupting chemicals After lesson 12 Understanding recent environmental issues such as pharmaceutical pollution and microplastics After lesson 13 Understanding the classification of marine organisms After lesson 14 Understanding the environment and ecology of Japan’s coastal areas After lesson 15 Understanding the ecosystem of tidal flats
Requirements
Grading Method	Attitude toward class participation and test
Practical Experience
Summary of Practical Experience and Class Contents based on it
Message
Other
Please fill in the class improvement questionnaire which is carried out on all classes. Instructors will reflect on your feedback and utilize the information for improving their teaching.

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