Study on translocatory balance of woody species

木本物种易位平衡研究

• 批准号: 12660133
• 负责人: OGAWA Kazuharu
• 金额: $ 2.05万
• 依托单位: Nagoya University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2000
• 资助国家: 日本
• 起止时间: 2000 至 2002
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-12660133/
• 关键词: Carbon balance; Dry weight growth; Net respiration; Reproductive organ; Ttanslocation; 落葉樹二次林; アラカシ稚幼樹; 光-光合成曲線; 純光合成速度; 光合成有効放射量; クスノキ; 果実; 生存曲線; 成長; サイズ構成; 相対成長; 転流バランス

The carbon balance in reproductive organs over whole reproductive period was estimated for 20 woody species on the basis of the published data on the final dry weight and CO_2 exchange of reproductive organs. The relationship between net respiration and dry weight growth was formulated by a linear function with negative y-intercept. From this linear relationship, linear relations of dry weight growth and net respiration to net translocation were derived. The size dependence of net respiration showed that the net respiration changed from negative to positive as the final dry weight of the reproductive organ exceeded 0.481 g. The cost for translocation per unit dry weight was much lower in the species with small-sized reproductive organs (<0.481 g), because of their photosynthetic contribution to the weight growth. The relation of dry weight growth/net translocation ratio to net translocation was expressed as a hyperbolic function. The dry weight growth/net translocation ratio kept at 0.650 in the higher range of net translocation, irrespective of woody species.

根据最终的干重和CO_2繁殖器官交换，估计了20种木制物种在整个生殖期内生殖器官的碳平衡。净呼吸与干重生长之间的关系是通过线性函数为负y截距的。从这种线性关系中，得出了干重生长和净呼吸对净易位的线性关系。净呼吸的尺寸依赖性表明，随着生殖器官的最终干重超过0.481 g，净呼吸从阴性变为阳性。小型生殖器官（<0.481 g）的物种中，每单位干重的成本要低得多，因为它们对重量生长的光合作用贡献。干重生长/净易位比与净易位的关系表示为双曲线功能。干重的生长/净易位比率保持在净易位范围更高的范围为0.650，而与木质物种无关。

项目成果

K.Ogawa: "Relationship between maximum stem volume and density during a course of self-thinning in a sugi (Cryptomeria japonica) plantation"8th INTECOL. accepted for publication.

K.Okawa：“杉树（Cryptomeria japonica）种植园自我疏伐过程中最大茎体积与密度之间的关系”第 8 届 INTECOL。

K.Ogawa: "Quantitative analysis of translocatory balance for reproduction in woody species during their whole reproductive periods"Trees. (発表予定).

K.Okawa：“木本物种在整个繁殖期内繁殖易位平衡的定量分析”树木（待提交）。

K.Ogawa: "Quantitative analysis of carbon balance for reproduction in woody species"J.Plant Res.. 115. 449-453 (2002)

K.Okawa：“木本物种繁殖碳平衡的定量分析”J.Plant Res.. 115. 449-453 (2002)

K.Ogawa: "Quantitative analysis of translocatory balance for reproduction in woody species during their whole reproductive periods"J.For.Res.. (発表予定).

K.Okawa：“木本物种在整个繁殖期繁殖易位平衡的定量分析”J.For.Res..（待提交）。

K.Ogawa: "Relationship between stem volume and density during a vourse of self-thinning in a sugi(Cryptomeria japonica) plantation"For.Ecol.Manage.. (発表予定).

K.Okawa：“杉树（Cryptomeria japonica）种植园自我稀疏过程中茎体积与密度之间的关系”For.Ecol.Manage..（待提交）。