本文選題：森林土壤　切入點(diǎn)：土壤鈣含量　出處：《沈陽(yáng)農(nóng)業(yè)大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：本研究選擇了常見(jiàn)的五種樹種(油松、樟子松、蒙古櫟、五角楓、側(cè)柏)的天然林,通過(guò)野外調(diào)查采樣,帶回室內(nèi)進(jìn)行測(cè)定和分析,得到土壤水溶性鈣含量、植物葉組織全鈣含量和能夠指示植物的水分利用效率的δ13C值,通過(guò)數(shù)據(jù)的整理統(tǒng)計(jì)和分析,對(duì)土壤鈣、葉組織鈣、鈣耦合及δ13C進(jìn)行差異性分析與相關(guān)性分析,得到以下結(jié)論:(1)油松天然林中,承德和北鎮(zhèn)兩地的土壤水溶性鈣含量顯著差異(P0.01);植物葉組織全鈣含量差異顯著(P0.01);鈣吸收系數(shù)差異顯著(P0.01);水分利用效率差異顯著(P0.05)。油松天然林的土壤水溶性鈣含量與植物葉組織全鈣含量之間存在極顯著正向相關(guān)關(guān)系(P0.01);土壤水溶性鈣含量與植物的水分利用效率不存在顯著相關(guān)性(P0.05);植物葉組織全鈣含量與植物的水分利用效率呈顯著正向相關(guān)的關(guān)系(P0.05);鈣吸收系數(shù)與植物的水分利用效率不存在顯著相關(guān)性(P0.05)。(2)樟子松天然林的土壤水溶性鈣含量與植物葉組織全鈣含量之間并不存在顯著相關(guān)性(P0.05);土壤水溶性鈣含量與植物的水分利用效率不存在顯著相關(guān)性(P0.05);植物葉組織全鈣含量與植物的水分利用效率呈極顯著正相關(guān)的關(guān)系(P0.01);鈣吸收系數(shù)與植物的水分利用效率呈極顯著正相關(guān)(P0.01)。(3)蒙古櫟天然林中,北鎮(zhèn)和東寧兩地的土壤水溶性鈣含量不存在差異性(P0.05);兩地的植物葉組織全鈣含量不存在差異性(P0.05);鈣吸收系數(shù)不存在差異(P0.05);水分利用效率差異顯著(P0.01)。蒙古櫟天然林的土壤水溶性鈣含量與植物葉組織全鈣含量之間存在顯著正向相關(guān)(P0.05);土壤水溶性鈣含量與植物的水分利用效率不存在顯著相關(guān)性(P0.05);植物葉組織全鈣含量與植物的水分利用效率呈顯著負(fù)向相關(guān)的關(guān)系(P0.05);鈣吸收系數(shù)與植物的水分利用效率呈顯著負(fù)相關(guān)(P0.05)。(4)五角楓天然林中,承德、清原的土壤水溶性鈣含量不存在顯著差異性(P0.05),承德與北鎮(zhèn)呈顯著差異(P0.05),清原與北鎮(zhèn)差異顯著(P0.01);三地的植物葉組織全鈣均不存在顯著差異(P0.05);鈣吸收系數(shù)在承德和清原不存在顯著差異(P0.05),在承德和北鎮(zhèn)存在顯著差異(P0.01),在清原和北鎮(zhèn)存在顯著差異(P0.01);植物的水分利用效率在承德、清原和北鎮(zhèn)三地皆不存在顯著差異(P0.05)。五角楓天然林的土壤水溶性鈣含量與植物葉組織鈣含量之間存在顯著正向相關(guān)(P0.05);土壤水溶性鈣含量與植物的水分利用效率不存在顯著相關(guān)性(P0.05);植物葉組織全鈣與植物的水分利用效率呈現(xiàn)顯著負(fù)向相關(guān)的關(guān)系(P0.05);鈣吸收系數(shù)與植物的水分利用效率不存在顯著相關(guān)性(P0.05)。(5)側(cè)柏天然林中,凌源和承德兩地的土壤水溶性鈣含量不存在顯著差異性(P0.05);植物葉組織全鈣含量不存在顯著差異性(P0.05);鈣吸收系數(shù)不存在顯著差異(P0.05);植物的水分利用效率不存在顯著差異(P0.05)。側(cè)柏天然林的土壤水溶性鈣含量與植物葉組織全鈣含量之間存在顯著正相關(guān)(P0.05);土壤水溶性鈣含量與植物的水分利用效率不存在顯著相關(guān)性(P0.05);植物葉組織全鈣含量與植物的水分利用效率不具有顯著的相關(guān)性(P0.05);鈣吸收系數(shù)與植物的水分利用效率不存在顯著相關(guān)性(P0.05)。
[Abstract]:This study selected five common tree species (pine, Pinus sylvestris, Mongolia oak, five maple, natural forest, Platycladus orientalis) by field investigation and sampling, back to indoor were determined and analyzed, the soil water soluble calcium content, total calcium content in plant leaf tissue and can indicate the plant water use efficiency of 13C. The value sorting through the data statistics and analysis, the soil calcium, leaf tissue calcium, calcium coupling and delta 13C analysis and correlation difference, get the following conclusions: (1) natural forest of Pinus tabulaeformis in Chengde and Beizhen, soil water soluble calcium content significantly (P0.01); the difference of total calcium content the leaf tissue was significantly difference (P0.01); calcium absorption coefficient significantly (P0.01); water use efficiency (P0.05). Significant differences between soil water soluble natural forest of Pinus tabulaeformis and total calcium content of calcium content in plant leaf tissue was significantly positive correlation between soil water soluble (P0.01); The content of calcium and plant water use efficiency has no significant correlation (P0.05); total calcium content and plant leaf tissue water use efficiency there is positive correlation between (P0.05); calcium absorption coefficient and plant water use efficiency has no significant correlation (P0.05). (2) there is no significant correlation between the calcium content of calcium content in plant leaf tissue water soluble natural forest soil of Pinus sylvestris (P0.05); soil water soluble calcium content and plant water use efficiency has no significant correlation (P0.05); leaf tissue calcium content and plant water use efficiency showed a significant positive correlation (P0.01) calcium; absorption coefficient and plant water use efficiency was significantly correlated (P0.01). (3) Mongolia oak forest, water and soil of Beizhen and Dongning soluble calcium content there is no difference (P0.05); both sides of the plant leaf tissue CA There is no difference between the content of calcium absorption coefficient (P0.05); there is no difference (P0.05); water use efficiency was significant (P0.01). There was significant positive correlation between water and soil of Mongolia oak forest dissolved calcium and total calcium content of the leaf tissue (P0.05); soil water soluble calcium content and plant there is no significant correlation between water use efficiency (P0.05); and the content of calcium in plant leaf tissue of the plant water use efficiency was negatively related to the relationship (P0.05); calcium absorption coefficient and plant water use efficiency was negatively correlated (P0.05). (4) Chengde five Jiaofeng natural forest, water. Qingyuan soil soluble calcium content there is no significant difference (P0.05), Chengde and Beizhen showed significant difference (P0.05), Qingyuan and Beizhen had significant difference (P0.01); three of the total calcium in plant leaf tissue was not significant (P0.05); calcium absorption coefficient does not exist in Chengde and Qingyuan Significant differences (P0.05), there were significant differences in Chengde and Beizhen (P0.01), there were significant differences in Qingyuan and Beizhen (P0.01); plant water use efficiency in Chengde, Qingyuan and Beizhen three were no significant difference (P0.05). There was significant positive correlation between soil water soluble five maple forest the calcium content of calcium content in plant leaf tissue (P0.05); soil water soluble calcium content and plant water use efficiency has no significant correlation (P0.05); leaf tissue calcium and whole plant water use efficiency has significant negative correlation relationship (P0.05); calcium absorption coefficient and plant water use efficiency there is no significant correlation (P0.05). (5) of Platycladus orientalis in natural forest, soil water in both Lingyuan and Chengde the soluble calcium content there is no significant difference (P0.05); total calcium content in plant leaf tissue has no significant difference (P0.05); calcium absorption coefficient does not exist Significant differences (P0.05); plant water use efficiency have no significant difference (P0.05). There was a significant positive correlation between soil water soluble natural forest of Platycladus orientalis total calcium content and calcium content in plant leaf tissue (P0.05); soil water soluble calcium content and plant water use efficiency has no significant correlation (P0.05) the content of total calcium; and plant leaf tissue water use efficiency has no significant correlation (P0.05); calcium absorption coefficient and plant water use efficiency has no significant correlation (P0.05).

【學(xué)位授予單位】：沈陽(yáng)農(nóng)業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：S714;S718.43
，

本文編號(hào)：1615621