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Changes in ecosystem structure associated with the restoration of lake water and analysis of their mechanisms

Research Project

Project/Area Number 17201012
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Environmental impact assessment/Environmental policy
Research InstitutionShinshu University

Principal Investigator

HANAZATO Takayuki  Shinshu University, 山岳科学総合研究所, 教授 (60142105)

Co-Investigator(Kenkyū-buntansha) YANAGIMCHI Harumi  信州大学, 山岳科学総合研究所, 教授 (60174554)
HIRABAYASHI Kimio  信州大学, 繊維学部, 教授 (20222250)
MIYABARA Yuichi  信州大学, 山岳科学総合研究所, 准教授 (80311330)
PARK Ho-dong  信州大学, 理学部, 准教授 (20262686)
TOYOTA Masashi  信州大学, 工学部, 助教 (60324232)
YAMAMOTO Masamichi  信州大学, 山岳科学総合研究所, 助教 (40143995)
Research Collaborator TAKEI Kaoru  長野県水産試験場・諏訪支場, 場長
Project Period (FY) 2005 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥48,490,000 (Direct Cost: ¥37,300,000、Indirect Cost: ¥11,190,000)
Fiscal Year 2008: ¥6,110,000 (Direct Cost: ¥4,700,000、Indirect Cost: ¥1,410,000)
Fiscal Year 2007: ¥7,670,000 (Direct Cost: ¥5,900,000、Indirect Cost: ¥1,770,000)
Fiscal Year 2006: ¥7,670,000 (Direct Cost: ¥5,900,000、Indirect Cost: ¥1,770,000)
Fiscal Year 2005: ¥27,040,000 (Direct Cost: ¥20,800,000、Indirect Cost: ¥6,240,000)
Keywords水質汚濁 / 富栄養湖 / 水質浄化 / 湖沼生態系 / 生態系構造変化 / 湖沼の水質浄化 / 湖沼生態系の変化 / アオコ / プランクトン / 底生生物 / 魚 / 湖の中の水の流れ / 水質
Research Abstract

水質汚濁問題を抱えていた諏訪湖の水質が近年になって改善されはじめ、それに伴って生態系が大きく変化し始めた。本研究では、その生態系変化の様子とメカニズムの解明を試みた。諏訪湖では、アオコ減少、不快昆虫ユスリカの減少、水草の増加、大型ミジンコの増加がほぼ同時期に起きた。生態系のレジームシフトが起きたといえる。植物プランクトンの生産力低下が生物間相互作用を介して生態系全体に波及したと考えられた。

Report

(5 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • 2005 Annual Research Report
  • Research Products

    (114 results)

All 2009 2008 2007 2006 2005

All Journal Article (67 results) (of which Peer Reviewed: 27 results) Presentation (44 results) Book (3 results)

  • [Journal Article] 諏訪湖における水質浄化対策と水質変動2009

    • Author(s)
      宮原裕一
    • Journal Title

      水環境学会誌 32(5)

      Pages: 2-5

    • NAID

      10024904420

    • Related Report
      2008 Final Research Report
  • [Journal Article] 諏訪湖で起きたアオコの激減とラン藻組成の変化2009

    • Author(s)
      朴虎東
    • Journal Title

      水環境学会誌 32(5)

      Pages: 9-11

    • NAID

      10024904440

    • Related Report
      2008 Final Research Report
  • [Journal Article] 湖水の動きと湖内環境2009

    • Author(s)
      豊田政史
    • Journal Title

      水環境学会誌 32(5)

      Pages: 12-14

    • NAID

      10024904447

    • Related Report
      2008 Final Research Report
  • [Journal Article] 諏訪湖における水草の増加及び漁獲量の減少とその要因2009

    • Author(s)
      武居薫
    • Journal Title

      水環境学会誌 Vol.32 No.5

      Pages: 15-17

    • Related Report
      2008 Final Research Report
  • [Journal Article] 水質変化に伴う動物相の変化2009

    • Author(s)
      永田貴丸・平林公男
    • Journal Title

      水環境学会誌 32(5)

      Pages: 25-27

    • Related Report
      2008 Final Research Report
  • [Journal Article] 水質浄化に伴う水環境変化に対する住民の意識2009

    • Author(s)
      柳町晴美
    • Journal Title

      水環境学会誌 32(5)

      Pages: 28-29

    • NAID

      10024904493

    • Related Report
      2008 Final Research Report
  • [Journal Article] 諏訪湖の生態系変化から学んだこと2009

    • Author(s)
      花里孝幸
    • Journal Title

      水環境学会誌 32(5)

      Pages: 28-29

    • NAID

      10024904503

    • Related Report
      2008 Final Research Report
  • [Journal Article] 諏訪湖において非一様風によって生じる水平循環流に関する時系列的検討2009

    • Author(s)
      豊田政史, 宮原一道, 宮原裕一
    • Journal Title

      水工学論文集 53

      Pages: 1273-1278

    • Related Report
      2008 Final Research Report
  • [Journal Article] Changes in ecosystem structure associated with the restoration of water quality in the shallow eutrophic Lake Suwa, Japan2009

    • Author(s)
      Hanazato, T., T. Nagata, M. Sakuma, H-D. Park, K. Hirabayashi, K. Takei
    • Journal Title

      Verh. Internat. Ver. Limnol (in press)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Proximate factors controlling the morphologic plasticity of Bosmina : linking artificial laboratory treatmentsand natural conditions.2009

    • Author(s)
      M. Sakamoto, T. Hanazato
    • Journal Title

      Hydrobiologia 617

      Pages: 171-179

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Changes in ecosystem structure assoc iated with the Restration of water quality in the shallow eutroph ic Lake Suwa, Japan.2009

    • Author(s)
      T. Hanazato, T. Nasata, M. Sakuma, H-D, Park, K. Hirabayashi, K. Takei
    • Journal Title

      Verh. Internat. Verein. Limnolo. (印刷中)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] I mpact of an insecticide on persistence of inherent Antipredator morphology of a small cladoeran, Bosmina2009

    • Author(s)
      M. Sakamoto, T. Hanazato Y. Tanaka
    • Journal Title

      Arch. Environ. Contain. Toxicol. (印刷中)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 2008年夏季における諏訪湖の水平・垂直水質分布2009

    • Author(s)
      柳町晴美, 花里孝幸, 宮原裕一, 山本雅道
    • Journal Title

      信州大学環境科学年報 31

      Pages: 11-29

    • Related Report
      2008 Annual Research Report
  • [Journal Article] Day and night vertical distribution of rotiferan and crustacean zooplankton in Lake Suwa, Japan2008

    • Author(s)
      Chang, K.H., T. Nagata, M. Sakamoto, T. Hanazato
    • Journal Title

      J.Freshwat. Ecol 23

      Pages: 165-168

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Distribution of adult Cheumatopsyche brevilineata(Trichoptera : Hydropsychidae) along the shore of Lake Suwa, Japan2008

    • Author(s)
      Kimura,G., Hirabayashi, K
    • Journal Title

      Jpn.J.Environ. Entomol. Zool 19

      Pages: 133-140

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 超音波ドップラー流速計を用いた湖内懸濁物質濃度分布の推定2008

    • Author(s)
      豊田政史, 宮原一道, 疋田真, 宮原裕一
    • Journal Title

      応用測量論文集 19

      Pages: 55-60

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 水質浄化対策がもたらす湖沼生態系構造の変化と生態リスク2008

    • Author(s)
      花里孝幸
    • Journal Title

      資源環境対策 44(12)

      Pages: 77-81

    • Related Report
      2008 Annual Research Report
  • [Journal Article] Distribution of adult Cheumatopsyche brevilineata (Trichoptera : Hydropsychidae) along the shore of Lake Suwa, Japan.2008

    • Author(s)
      G. Kimura, K. Hirabavashi
    • Journal Title

      Jpn. J. Environ. Entomol. Zool. 19

      Pages: 133-140

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Adaptive agents for forecasting seasonal outbreaks of blue-green algal populations in lakes categorized by circulation typeand trophic state.2008

    • Author(s)
      F. Recknagel, H. Cao, C. V. Ginkel, D. van der Molen, H. D Park, N. Takamura
    • Journal Title

      Verh. Internat. Verein. Limnol. 30

      Pages: 191-197

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 湖沼におけるラン藻毒素ミクロシスチンの動態2008

    • Author(s)
      朴虎東
    • Journal Title

      日本プランクトン学会報 55 (1)

      Pages: 58-62

    • NAID

      10024786852

    • Related Report
      2008 Annual Research Report
  • [Journal Article] Influence of dissolved inorganic nitrogen and phosphorus concentrations on the horizontal and temporal changes of Microcystis population in Lake Kitaur.2008

    • Author(s)
      T. Homma, N. Komatsu, M. Negishi Y. Katagami, K. Nakamura H. -D. Park
    • Journal Title

      Proceedings of Taal2007 : The 12th World Lake Conference

      Pages: 1423-1429

    • Related Report
      2008 Annual Research Report
  • [Journal Article] Day and night vertical distributions of rotiferan and crustacean Zooplankton in Lake Suwa.2008

    • Author(s)
      Chang, K.-H., T. Nagata, M. Sakamoto and T. Hanazato
    • Journal Title

      Journal of Freshwater Ecology 23

      Pages: 165-168

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 諏訪湖におけるラン藻の長期変動と生態系構造の変化2008

    • Author(s)
      花里孝幸・朴 虎東
    • Journal Title

      日本プランクトン学会報 55

      Pages: 48-51

    • NAID

      10024786805

    • Related Report
      2007 Annual Research Report
  • [Journal Article] 諏訪湖におけるラン藻毒素ミクロキスチンの動態2008

    • Author(s)
      朴 虎東
    • Journal Title

      日本プランクトン学会報 55

      Pages: 58-62

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Plastic phenotypes of antennule shape in Bosmina longirostris controlled by the physical stimuli from predators. Limnol2007

    • Author(s)
      Sakamoto, M., K.-H. Chang, T. Hanazato
    • Journal Title

      Oceanogr 52

      Pages: 2072-2078

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 諏訪湖における多環芳香族炭化水素類の年間収支の推定2007

    • Author(s)
      宮原裕一・池中良徳
    • Journal Title

      環境化学 17

      Pages: 649-648

    • NAID

      10020018643

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 「諏訪湖環境に関する住民意識調査」全域集計結果の分析2007

    • Author(s)
      柳町晴美, 沼尾史久
    • Journal Title

      信州大学山地水環境教育研究センター研究報告 第5号

      Pages: 1-21

    • NAID

      120007102284

    • Related Report
      2008 Final Research Report
  • [Journal Article] Accumulation of microcystins in freshwater snail and fish in the eutrophic Lake Suwa, Japan2007

    • Author(s)
      Liqiang Xie, Atsushi Yokoyama, Koya Nakamura, Park Ho-Dong
    • Journal Title

      Toxicon 49

      Pages: 646-652

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Elucidation and short-term forecasting of microcystin concentrations in Lake Suwa(Japan)by means of artificial neural networks and evolutionary algorithms2007

    • Author(s)
      Wai Sum Chan, Friedrich Recknagel, Hongging Cao, Park Ho-Dong
    • Journal Title

      Water Research 41

      Pages: 2247-2255

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 諏訪湖魚類目録を検証する2007

    • Author(s)
      武居薫
    • Journal Title

      陸水学会甲信越支部会報 No.33

      Pages: 67-81

    • NAID

      220000106014

    • Related Report
      2008 Final Research Report
  • [Journal Article] 肉食税枝角類ノロ(Leptodora kindtii)の湖沼生態系食物網中での役割とその意義2007

    • Author(s)
      張 光玄・花里孝幸
    • Journal Title

      日本プランクトン学会報 54

      Pages: 99-110

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Plastic phenotypes of antennule shape in Bosmina longirostris controlled by physical stimuli from predators.2007

    • Author(s)
      M. Sakamoto, K.-H, Chang and T.Hanazato
    • Journal Title

      Limnology and Oceanography 52

      Pages: 2072-2078

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Accumulation of microcystins in various organs of the freshwater snail Sinotaia histrica and three fishes in a temperate Lake Suwa.2007

    • Author(s)
      Liqiang, X., A. Yokoyama, K. Nakamura and H. D. Park
    • Journal Title

      Toxicon 49

      Pages: 646-652

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 諏訪湖における多環芳香族炭化水素類汚染の特徴とその集水域との関係2007

    • Author(s)
      池中良徳・舘野覚俊・宮原裕一
    • Journal Title

      環境化学 17

      Pages: 217-226

    • NAID

      130004513812

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 諏訪湖水草帯における水質の不均一性2007

    • Author(s)
      宮原裕一・犬塚良平・池中良徳
    • Journal Title

      信州大学環境化学年報 29

      Pages: 24-28

    • Related Report
      2007 Annual Research Report
  • [Journal Article] 「諏訪湖環境に関する住民意識調査」全域集計結果の分析2007

    • Author(s)
      柳町晴美・沼尾史久
    • Journal Title

      信州大学山地水環境教育研究センター研究報告 5

      Pages: 1-21

    • NAID

      120007102284

    • Related Report
      2007 Annual Research Report
  • [Journal Article] Different predation impacts of two cyclopoid species on a small-sized zooplankton community : an experimental analysis with mesocosms2006

    • Author(s)
      Nagata, T., T. Hanazato
    • Journal Title

      Hydrobiologia 556

      Pages: 233-242

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 諏訪湖における湖上風の非一様性とそれが湖流形成に与える影響2006

    • Author(s)
      豊田政史, 宮原一道, 萩庭康光, 寺沢和晃, 疋田真, 降矢利勝, 宮原裕一, 富所五郎
    • Journal Title

      水工学論文集 50

      Pages: 1303-1308

    • NAID

      130004043790

    • Related Report
      2008 Final Research Report 2005 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 諏訪湖における底質の性状および懸濁物質の挙動に関する現地観測2006

    • Author(s)
      豊田政史, 宮原一道, 北村聡, 宮原裕一, 富所五郎
    • Journal Title

      水工学論文集 50

      Pages: 1309-1314

    • NAID

      130004043791

    • Related Report
      2008 Final Research Report 2005 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Simulation of Suspended Solid Transportation in Lake Suwa, Japan2006

    • Author(s)
      Masashi Toyota, Satoshi Kitamura, Kazumichi Miyahara and Goro Tomidokoro
    • Journal Title

      Proceedings of the 15th Congress of APD-IAHR

      Pages: 227-232

    • Related Report
      2008 Final Research Report
  • [Journal Article] Different predation impacts of two cyclopoid species on a small-sized zooplankton community : an experimental analysis with mesocosms.2006

    • Author(s)
      Nagata, T., T.Hanazato
    • Journal Title

      Hydrobiologia 556

      Pages: 233-242

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Acute toxicity of the insecticide diazinon and carbaryl to calanoid and cyclopoid copepoda in different life stages.2006

    • Author(s)
      Takahashi, H., K.H.Chang, T.Hanazato
    • Journal Title

      Jpn. J. Environ. Toxicol. 9

      Pages: 133-139

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Inhibition of development of anti-predator morphology in the small cladoceran Bosmina by an insecticide.2006

    • Author(s)
      Sakamoto, M., K.H.Chang, T.Hanazato
    • Journal Title

      Freshwat. Biol. 51

      Pages: 1974-1983

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Metabolism of pyrene by aquatic crustacean, Daphnia magna.2006

    • Author(s)
      Ikenaka, Y., H.Eun, M.Ishizuka, Y.Miyabara
    • Journal Title

      Aquat. Toxicol. 80

      Pages: 158-165

    • Related Report
      2006 Annual Research Report
  • [Journal Article] 2005年夏季における諏訪湖の水平・垂直水質分布2006

    • Author(s)
      柳町晴美, 花里孝幸, 宮原裕一
    • Journal Title

      環境科学年報-信州大学- 28

      Pages: 23-37

    • Related Report
      2006 Annual Research Report
  • [Journal Article] 諏訪湖における栄養塩濃度の変動に関する研究2006

    • Author(s)
      宮原裕一, 池中良徳, 犬塚良平, 花里孝幸
    • Journal Title

      信州大学環境科学年報 28

      Pages: 39-46

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Impact of invertebrate predators on rotifer populations in lakes; field observation and experimental analysis.2006

    • Author(s)
      Nagata, T., K.H.Chang, T.Hanazato
    • Journal Title

      Verh. Internat. Ver. Limnol. 29

      Pages: 2181-2186

    • Related Report
      2006 Annual Research Report
  • [Journal Article] 諏訪湖における湖上風の非一様性とそれが湖流形成に与える影響2006

    • Author(s)
      豊田政史, 宮原一進, 萩庭康光, 寺沢和晃 ほか
    • Journal Title

      土木工学論文集 50

      Pages: 1303-1308

    • NAID

      130004043790

    • Related Report
      2006 Annual Research Report
  • [Journal Article] 諏訪湖における底質の性状および懸濁物質の挙動に関する現地観測2006

    • Author(s)
      豊田政史, 宮原一進, 北村聡, 宮原裕一, 富所五郎
    • Journal Title

      水工学論文集 50

      Pages: 1309-1314

    • NAID

      130004043791

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Sphingosinicella microcystinivorans gen. nov., sp. nov., a microcystin-degrading bacterium2006

    • Author(s)
      Maruyama, T., H.D.Park et al.
    • Journal Title

      Internat. J. Syst. Evol. Microbiol. 56

      Pages: 85-89

    • Related Report
      2006 Annual Research Report
  • [Journal Article] 湖の浄化における下水処理場のはたらきと、水質浄化に伴う生態系の変化2006

    • Author(s)
      花里孝幸
    • Journal Title

      月刊下水道 29

      Pages: 66-71

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Different predation impacts of two cyclopoid species on a small-sized zooplankton community : and experimental analysis with mesocosms.2006

    • Author(s)
      Nagata, T., T.Hanazato
    • Journal Title

      Hydrobiologia 556

      Pages: 233-242

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Feeding habit of pond smelts(Hypomesus transpacificus nipponensis)and its impact on the zooplankton community in Lake Suwa, Japan2005

    • Author(s)
      Chang, K.-H., T. Hanazato, G. Ueshima, H. Tahara
    • Journal Title

      J.Freshwat.Ecol 20

      Pages: 129-138

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] The predacious cladoceran Leptodora kinditii as a prey for the cyclopoid copepod Mesocyclops sp. : laboratory observations of predator-prey interaction2005

    • Author(s)
      Chang, K.-H., T. Hanazato
    • Journal Title

      J.Freshwat.Ecol 20

      Pages: 655-660

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Estimation of sources and inflow of dioxins and polycyclic aromatic hydrocarbons from the sediment core of Lake Suwa2005

    • Author(s)
      Ikenaka, Y. Eun, H. Watanabe, E. Kumon, F. Miyabara Y.
    • Journal Title

      Japan. Environmental Pollution 138

      Pages: 530-538

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 諏訪湖におけるMicrocystis種組成および藍藻毒素microcystin濃度に及ぼす硝酸態窒素・リン酸態リン濃度の影響2005

    • Author(s)
      本間隆満・朴虎東
    • Journal Title

      水環境学会誌 28(6)

      Pages: 373-378

    • NAID

      10016147167

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 諏訪湖に窒素・リン濃度がMicrocystis種組成と細胞あたりのmicrocystin含有量への影響2005

    • Author(s)
      本間隆満・朴虎東
    • Journal Title

      日本陸水学会誌 66(3)

      Pages: 191-195

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Feeding habit of pond smelt (Hypomesus transpacificus nipponensis) and its impact on the zooplankton community in Lake Suwa, Japan.2005

    • Author(s)
      Chang, K-H, T.Hanazato
    • Journal Title

      Journal of Freshwater Ecology 20

      Pages: 129-138

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Prey handling time and ingestion probability for Mesocyclops sp.predation on small cladoceran species Bosmina longirostris, Bosminopsis deitersi, and Scapholeberis mucronata.2005

    • Author(s)
      Chang, K-H, T.Hanazato
    • Journal Title

      Limnology 6

      Pages: 39-44

    • Related Report
      2005 Annual Research Report
  • [Journal Article] The predation impact of larval Pseudorasbora parva (Cyprinidae) on zooplankton : a mesocosm experiment.2005

    • Author(s)
      Nagata, T., J-Y.Ha, T.Hanazato
    • Journal Title

      Journal of Freshwater Ecology 20

      Pages: 757-763

    • Related Report
      2005 Annual Research Report
  • [Journal Article] 2004年夏季における諏訪湖の水質分布2005

    • Author(s)
      柳町晴美, 花里孝幸, 宮原裕一
    • Journal Title

      信州大学環境科学年報 27

      Pages: 17-30

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Differential sensitivity of a predacious cladoceran (Leptodora) and its prey (the cladoceran Bosmina) to the insecticide carbaryl : results of acute toxicity tests.2005

    • Author(s)
      Sakamoto, M., K.-H.Chang, T.Hanazato
    • Journal Title

      Bulletin of Environmental Contamination and Toxicology 75

      Pages: 28-33

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Impact of selective predation by Mesocyclops pehpeiensis on a zooplankton community : experimental analysis using mesocosms.2005

    • Author(s)
      Chang, K.-H., T.Hanazato
    • Journal Title

      Ecological Research 20

      Pages: 726-732

    • NAID

      10016843037

    • Related Report
      2005 Annual Research Report
  • [Journal Article] The predacious cladoceran Leptodora kindtii as a prey for the cyclopoid copepod Mesocyclops sp. : Laboratory observations of predator-prey interaction.2005

    • Author(s)
      Chang, K.-H., T.Hanazato
    • Journal Title

      Journal of Freshwater Ecology 20

      Pages: 655-660

    • Related Report
      2005 Annual Research Report
  • [Journal Article] 諏訪湖におけるMicrocystis種組成および藍藻毒素microcystin濃度に及ぼす硝酸態窒素・リン酸態リン濃度の影響2005

    • Author(s)
      本間隆満, 朴虎東
    • Journal Title

      水環境学会誌 28

      Pages: 373-378

    • NAID

      10016147167

    • Related Report
      2005 Annual Research Report
  • [Journal Article] 諏訪湖におけるMicrocystis種組成,及び細胞あたりのmicrocystin含有量の変動2005

    • Author(s)
      本間隆満, 朴虎東
    • Journal Title

      陸水学雑誌 66

      Pages: 191-195

    • NAID

      10016963015

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Sources, distribution, and inflow pattern of dioxins in the bottom sediment of Lake Suwa, Japan.2005

    • Author(s)
      Ikenaka, Y., H.Eun, E.Watanabe, Y.Miyabara
    • Journal Title

      Bulletin of Environmental Contamination and Toxicology 75

      Pages: 915-921

    • Related Report
      2005 Annual Research Report
  • [Presentation] 諏訪湖の夏季植物プランクトン優占種はなぜ変わったか2008

    • Author(s)
      中村剛也・朴虎東
    • Organizer
      日本陸水学会甲信越支部会第34回大会
    • Place of Presentation
      安曇野
    • Year and Date
      2008-11-23
    • Related Report
      2008 Final Research Report
  • [Presentation] 諏訪湖ヒシ帯の流動観測2008

    • Author(s)
      加藤宏章, 豊田政史
    • Organizer
      日本陸水学会甲信越支部会第34回大会
    • Place of Presentation
      安曇野
    • Year and Date
      2008-11-23
    • Related Report
      2008 Final Research Report
  • [Presentation] 諏訪湖の生態系と水環境のこれからの変化2008

    • Author(s)
      花里孝幸
    • Organizer
      日本陸水学会第73回大会
    • Place of Presentation
      札幌
    • Year and Date
      2008-10-12
    • Related Report
      2008 Final Research Report
  • [Presentation] 諏訪湖水質の長期的変動と近年の動向2008

    • Author(s)
      宮原裕一
    • Organizer
      日本陸水学会第73回大会
    • Place of Presentation
      札幌
    • Year and Date
      2008-10-12
    • Related Report
      2008 Final Research Report
  • [Presentation] 諏訪湖のアオコを形成する植物プランクトンの経年変化2008

    • Author(s)
      朴虎東・中村剛也・渡邉琴文・本間隆満
    • Organizer
      日本陸水学会第73回大会
    • Place of Presentation
      札幌
    • Year and Date
      2008-10-12
    • Related Report
      2008 Final Research Report
  • [Presentation] 水質浄化に伴う動物プランクトンの群集遷移 : 諏訪湖における10年間のモニタリングの結果2008

    • Author(s)
      永田貴丸・張光玄・花里孝幸
    • Organizer
      日本陸水学会第73回大会
    • Place of Presentation
      札幌
    • Year and Date
      2008-10-12
    • Related Report
      2008 Final Research Report
  • [Presentation] 諏訪湖における水の動きについて2008

    • Author(s)
      豊田政史
    • Organizer
      日本陸水学会第73回大会
    • Place of Presentation
      札幌
    • Year and Date
      2008-10-12
    • Related Report
      2008 Final Research Report
  • [Presentation] 諏訪湖景観に関する住民意識調査2008

    • Author(s)
      柳町晴美
    • Organizer
      日本陸水学会第73回大会
    • Place of Presentation
      札幌
    • Year and Date
      2008-10-12
    • Related Report
      2008 Final Research Report
  • [Presentation] 諏訪湖におけるユスリカ相の変遷2008

    • Author(s)
      平林公男・木村悟朗・坂井規浩・西川健一・遠藤美那子・井上栄壮・宮原裕一・花里孝幸
    • Organizer
      日本陸水学会第73回大会
    • Place of Presentation
      札幌
    • Year and Date
      2008-10-12
    • Related Report
      2008 Final Research Report
  • [Presentation] 諏訪湖のエビモ帯-20年間(1989~2008年)の推移-2008

    • Author(s)
      武居薫
    • Organizer
      日本陸水学会第73回大会
    • Place of Presentation
      札幌
    • Year and Date
      2008-10-12
    • Related Report
      2008 Final Research Report
  • [Presentation] 漁業資源としての諏訪湖魚類群集の変化2008

    • Author(s)
      武居薫
    • Organizer
      日本陸水学会第73回大会
    • Place of Presentation
      札幌
    • Year and Date
      2008-10-12
    • Related Report
      2008 Final Research Report
  • [Presentation] 諏訪湖水質の長期変動と近年の動向2008

    • Author(s)
      宮原裕一
    • Organizer
      日本陸水学会第73回大会
    • Place of Presentation
      北海道大学
    • Year and Date
      2008-10-12
    • Related Report
      2008 Annual Research Report
  • [Presentation] 諏訪湖のアオコを形成する植物プランクトンの経年変化2008

    • Author(s)
      朴虎東, 中村剛也, 渡辺琴文本間隆満
    • Organizer
      日本陸水学会第73回大会
    • Place of Presentation
      北海道大学
    • Year and Date
      2008-10-12
    • Related Report
      2008 Annual Research Report
  • [Presentation] 諏訪湖におけるユスリカ相の変遷2008

    • Author(s)
      平林公夫, 木村悟朗, 坂井規浩, 西川健一, 遠藤美那子, 井上栄壮, 宮原裕一, 花里孝幸
    • Organizer
      日本陸水学会第73回大会
    • Place of Presentation
      北海道大学
    • Year and Date
      2008-10-12
    • Related Report
      2008 Annual Research Report
  • [Presentation] 漁業資源としての諏訪湖魚類群集の変化2008

    • Author(s)
      武居薫(研究協力者)
    • Organizer
      日本陸水学会第73回大会
    • Place of Presentation
      北海道大学
    • Year and Date
      2008-10-12
    • Related Report
      2008 Annual Research Report
  • [Presentation] 水質浄化に伴う動物プランクトンの群集遷移 ; 諏訪湖における10年間のモニタリング結果2008

    • Author(s)
      永田貴丸, 張光玄, 花里孝幸
    • Organizer
      日本陸水学会第73回大会
    • Place of Presentation
      北海道大学
    • Year and Date
      2008-10-12
    • Related Report
      2008 Annual Research Report
  • [Presentation] 諏訪湖のエビモ帯-20年間(1989〜2008年)の推移-2008

    • Author(s)
      武居薫(研究協力者)
    • Organizer
      日本陸水学会第73回大会
    • Place of Presentation
      北海道大学
    • Year and Date
      2008-10-12
    • Related Report
      2008 Annual Research Report
  • [Presentation] 諏訪湖における水の動きについて2008

    • Author(s)
      豊田政史
    • Organizer
      日本陸水学会第73回大会
    • Place of Presentation
      北海道大学
    • Year and Date
      2008-10-12
    • Related Report
      2008 Annual Research Report
  • [Presentation] 諏訪湖景観に関する住民意識2008

    • Author(s)
      柳町晴美
    • Organizer
      日本陸水学会第73回大会
    • Place of Presentation
      北海道大学
    • Year and Date
      2008-10-12
    • Related Report
      2008 Annual Research Report
  • [Presentation] 諏訪湖の生態系と水環境のこれからの変化2008

    • Author(s)
      花里孝幸
    • Organizer
      日本陸水学会第73回大会
    • Place of Presentation
      北海道大学
    • Year and Date
      2008-10-12
    • Related Report
      2008 Annual Research Report
  • [Presentation] 諏訪湖沿岸域におけるコガタシマトビケラ成虫の分布2008

    • Author(s)
      木村悟朗・花里孝幸・平林公男
    • Organizer
      応用生態工学会
    • Place of Presentation
      福岡
    • Year and Date
      2008-09-20
    • Related Report
      2008 Final Research Report
  • [Presentation] 諏訪湖流出入河川の流量観測2007

    • Author(s)
      平良綾子, 豊田政史, 富所五郎
    • Organizer
      日本陸水学会甲信越支部会第33回大会
    • Place of Presentation
      寺泊
    • Year and Date
      2007-12-02
    • Related Report
      2008 Final Research Report
  • [Presentation] 諏訪湖湖心部における水生線虫類の動態2007

    • Author(s)
      西川健一・坂井規浩・宮原裕一・花里孝幸・福原晴夫・平林公男
    • Organizer
      日本陸水学会甲信越支部会
    • Place of Presentation
      寺泊
    • Year and Date
      2007-12-02
    • Related Report
      2008 Final Research Report
  • [Presentation] 湖における水質と生態系構造の相互関係2007

    • Author(s)
      花里孝幸
    • Organizer
      第1回上海河湖水環境治理と生態修復国際研討会
    • Place of Presentation
      上海,中国
    • Year and Date
      2007-11-10
    • Related Report
      2008 Final Research Report
  • [Presentation] 近年諏訪湖で増加しているユスリカ類、減少しているユスリカ類2007

    • Author(s)
      平林公男・西川健一・木村悟朗・花里孝幸
    • Organizer
      日本環境動物昆虫学会第19回年次大会
    • Place of Presentation
      京都
    • Year and Date
      2007-10-13
    • Related Report
      2008 Final Research Report
  • [Presentation] 諏訪湖沿岸におけるトビケラ成虫の発生動態2007

    • Author(s)
      木村悟朗・西川健一・花里孝幸・平林公男
    • Organizer
      日本環境動物昆虫学会第19回年次大会
    • Place of Presentation
      京都
    • Year and Date
      2007-10-13
    • Related Report
      2008 Final Research Report
  • [Presentation] 異なる条件下でのモツゴからのリン排出測度2007

    • Author(s)
      片谷明代・花里孝幸
    • Organizer
      日本陸水学会第72回大会
    • Place of Presentation
      茨城大学(水戸)
    • Year and Date
      2007-09-13
    • Related Report
      2007 Annual Research Report
  • [Presentation] 動物プランクトン群集に及ぼすDaphniaとCyclopoidの影響: メソコスムを用いた実験的解析2007

    • Author(s)
      河鎮龍・花里孝幸
    • Organizer
      日本陸水学会第72回大会
    • Place of Presentation
      茨城大学(水戸)
    • Year and Date
      2007-09-13
    • Related Report
      2007 Annual Research Report
  • [Presentation] 諏訪湖におけるラン藻ブルームの種組成変化とその原因について2007

    • Author(s)
      中村剛也・宮原裕一・花里孝幸・朴虎東
    • Organizer
      日本陸水学会第72回大会
    • Place of Presentation
      水戸
    • Year and Date
      2007-09-11
    • Related Report
      2008 Final Research Report
  • [Presentation] 諏訪湖におけるラン藻ブルームの種組成変化とその原因について2007

    • Author(s)
      中村剛也・宮原裕一・花里孝幸・朴虎東
    • Organizer
      日本陸水学会第72回大会
    • Place of Presentation
      茨城大学(水戸)
    • Year and Date
      2007-09-11
    • Related Report
      2007 Annual Research Report
  • [Presentation] 湖の環境と静物多様性2007

    • Author(s)
      花里孝幸
    • Organizer
      第5回「川の自然再生」セミナー
    • Place of Presentation
      発明会館(虎ノ門)
    • Year and Date
      2007-09-03
    • Related Report
      2007 Annual Research Report
  • [Presentation] Changes in zooplankton community structure induced by competition with Daphnia/predation of cyclopoid copepoda : a mesocosm experiment2007

    • Author(s)
      Ha, J.-Y., Hanazato, T
    • Organizer
      The 13^<th> International Symposium on River and Lake Environment
    • Place of Presentation
      Jeju, Korea
    • Related Report
      2008 Final Research Report
  • [Presentation] Seasonal trend of chironomid midges(Diptera)in shallow eutrophic lake Suwa, Central Japan2007

    • Author(s)
      Hirabayashi, K., Nishikawa, K., kimura, G and Hanazato, T.
    • Organizer
      ISRLE
    • Place of Presentation
      Jeju, Korea
    • Related Report
      2008 Final Research Report
  • [Presentation] 7月豪雨の諏訪湖水質への影響2006

    • Author(s)
      宮原裕一・池中良徳・犬塚良平・館野覚俊・内山隆文
    • Organizer
      日本陸水学会甲信越支部会第32回大会
    • Place of Presentation
      富士見
    • Year and Date
      2006-12-03
    • Related Report
      2008 Final Research Report
  • [Presentation] 諏訪湖の低酸素水塊-2005年の出現状況と近年の動向-2006

    • Author(s)
      武居薫
    • Organizer
      日本陸水学会甲信越支部会第32回大会
    • Place of Presentation
      富士見
    • Year and Date
      2006-12-03
    • Related Report
      2008 Final Research Report
  • [Presentation] 諏訪湖における湖上風分布の再現計算2006

    • Author(s)
      福島麻奈美, 豊田政史, 富所五郎
    • Organizer
      日本陸水学会甲信越支部会第32回大会
    • Place of Presentation
      富士見
    • Year and Date
      2006-12-03
    • Related Report
      2008 Final Research Report
  • [Presentation] 諏訪湖環境に関する住民意識2006

    • Author(s)
      北島(柳町)晴美・沼尾史久
    • Organizer
      日本地理学会秋季学術大会
    • Place of Presentation
      静岡
    • Year and Date
      2006-09-23
    • Related Report
      2008 Final Research Report
  • [Presentation] 諏訪湖における糸状藍藻の優占機構について2006

    • Author(s)
      佐久間昌孝・花里孝幸・沖野外輝夫
    • Organizer
      日本陸水学会第71会大会
    • Place of Presentation
      松山
    • Year and Date
      2006-09-16
    • Related Report
      2008 Final Research Report
  • [Presentation] 魚が水質汚濁を助長する : 湖沼の水質に及ぼす魚の影響2006

    • Author(s)
      花里孝幸
    • Organizer
      第9回日本水環境学会シンポジウム
    • Place of Presentation
      東京
    • Year and Date
      2006-09-06
    • Related Report
      2008 Final Research Report
  • [Presentation] 諏訪湖におけるアオコ発生要因の検討2006

    • Author(s)
      鈴木雄介, 豊田政史, 富所五郎
    • Organizer
      平成17年度土木学会中部支部研究発表会
    • Place of Presentation
      岐阜
    • Year and Date
      2006-03-03
    • Related Report
      2008 Final Research Report
  • [Presentation] 諏訪湖におけるADCPを用いた流動観測2005

    • Author(s)
      福島麻奈美, 豊田政史, 富所五郎
    • Organizer
      日本陸水学会甲信越支部会第31回大会
    • Place of Presentation
      精進湖
    • Year and Date
      2005-12-04
    • Related Report
      2008 Final Research Report
  • [Presentation] 水質浄化に伴う生態系変化を追い続けた諏訪湖モニタリング2005

    • Author(s)
      花里孝幸
    • Organizer
      日本陸水学会第70回大会
    • Place of Presentation
      大阪
    • Year and Date
      2005-09-19
    • Related Report
      2008 Final Research Report
  • [Presentation] 諏訪湖におけるワムシ類の日周期鉛直移動 : ワムシ種の分布と無脊椎捕食者の関係2005

    • Author(s)
      永田貴丸・花里孝幸
    • Organizer
      日本陸水学会第70回大会
    • Place of Presentation
      大阪
    • Year and Date
      2005-09-19
    • Related Report
      2008 Final Research Report
  • [Presentation] Impact of increased temperature on a zooplankton community : an experimental analysis using mesocosms2005

    • Author(s)
      Nagata T., Chang K.-H., Kasai A., Hanazato T.
    • Organizer
      VIII International Symposium on Cladocera
    • Place of Presentation
      Herzberg, Switzerland
    • Year and Date
      2005-09-08
    • Related Report
      2008 Final Research Report
  • [Book] ネッシーに学ぶ生態系2008

    • Author(s)
      花里孝幸
    • Total Pages
      210
    • Publisher
      岩波書店
    • Related Report
      2008 Annual Research Report 2007 Annual Research Report
  • [Book] アオコが消えた諏訪湖 : 人と生き物のドラマ(沖野外輝夫, 花里孝幸編)2005

    • Author(s)
      花里孝幸・宮原裕一・朴虎東・平林公男・武居薫, ほか
    • Total Pages
      319
    • Publisher
      信濃毎日新聞社
    • Related Report
      2008 Final Research Report
  • [Book] アオコが消えた諏訪湖:人と生き物のドラマ2005

    • Author(s)
      沖野外輝夫, 花里孝幸(編)
    • Total Pages
      318
    • Publisher
      信濃毎日新聞社
    • Related Report
      2005 Annual Research Report

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Published: 2005-04-01   Modified: 2016-04-21  

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