Development of a forest carbon dynamics model based on a drymatter production model in a temperate region and its validation

基于温带干物质生产模型的森林碳动态模型的建立及其验证

• 批准号: 61480004
• 负责人: OIKAWA Takehisa
• 金额: $ 2.75万
• 依托单位: University of Tsukuba, Institute of Biological Science
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for General Scientific Research (B)
• 财政年份: 1986
• 资助国家: 日本
• 起止时间: 1986 至 1987
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-61480004/
• 关键词: iucidophyll forest; Minamata; carbon flux; phytomass; dry-matter production model; 水俣; 光環境; 常緑広葉樹林

In this research project, I have tried to develop a new carbon dynamics model for a temperate forest. The model developed here is a modification of tropical rainforest mode based on a dry-matter production model developed by Oikawa(1985).In the previous model for a tropical rainforest, seasonal variations of environmental parameters such as light and temperature climates were ignored for simplicity, but in the present model for a temperate forest, such climatic variations and thus physiological variations of tree properties must be taken into consideration.Surplus productivity was computed from Kuroiwa's formula (1966) for a Iucidophyll forest in Minamata by giving monthly data of insolation and photosynthetic and respiratory activities of single leaves measured by Nishioka et al.(1978). Monthly variations of litterfall rates of leaves and stems were also built in the present model by reference to the data obtained by Nishioka and Kirita (1978).The successional pattern during a period of 100 years was simulated, demonstrating stable and perpetual occurrence of a lucidophyll forest in Minamata. The model outputs of carbon fluxes and phytomasses at a year of 60, agreed quite well with the field data reported by Kira(1978).

在这个研究项目中，我试图建立一个新的温带森林碳动力学模型。该模型是基于Oikawa(1985)提出的干物质生产模型的热带雨林模型的修正。在以前的热带雨林模型中，为了简单起见，忽略了光和温度气候等环境参数的季节变化，但在本模型中，对于温带森林，必须考虑这种气候变化以及树木特性的生理变化。根据Kuroiwa(1966)的公式计算了水田柳叶林的剩余生产力，给出了Nishioka等人(1978)测量的单叶的日照、光合作用和呼吸活动的月度数据。参考Nishioka和Kirita(1978)的数据，建立了叶和茎的凋落率的月变化模型，模拟了100年的演替格局，表明了水田高光植物森林的稳定和永久存在。60年的碳通量和植物量的模型输出与Kira(1978)报告的野外数据非常吻合。

项目成果

Oikawa,T: "A simulation study of surplus productivity as influenced by the photosynthesis and respiration rates of a single leaf." J. Agric. Met.42;. 207-216 (1986)

Oikawa,T：“受单叶光合作用和呼吸速率影响的剩余生产力的模拟研究。”

Oikawa, T: J. Agric. Met.42. 207-216 (1986)

及川，T：J. Agric。

T.Oikawa: Bot.Mag.Tokyo. 99. 213-223 (1986)

T.Oikawa：Bot.Mag.Tokyo。

Oikawa, T: Bot. Mag. Tokyo. 99. 419-430 (1986)

及川，T：机器人。

及川武久: 「気象研究ノート」日本気象学会. 160. 775-784 (1987)

及川武久：《气象研究笔记》日本气象学会 160. 775-784 (1987)。