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주요 참나무류 천연림의 물질생산 및 현존량추정식에 (現存量推定式) 관한 연구
박인협(In Hyeop Park),문광선(Gwang Sun Moon) 한국산림과학회 1994 한국산림과학회지 Vol.83 No.2
Four Quercus forests in Mt. Mohu were studied to investigate biomass, net production and effective biomass estimation method. Five 10m × 10m quadrats were set up, ten sample trees were cut and roots of three sample trees were excavated for dimension analysis in each forest. There was little difference in accuracy among three allometric biomass regression models of logWt=A+BlogD, logWt=A+BIogD²H and logWt= A+BlogD+ClogH, where Wt. D and H were. dry weight, DBH and height, respectively . Analysis of covariance showed that there were no significant differences among slopes and intercepts of allometric biomass regressions, logWt=A+BlogD, of four Quercus species. Biomass of Q. acutissima, Q. nariabilis, Q. serrata and Q. mongolica forests were 164.0, 158.9, 115.3 and 118.9t/㏊, respectively. Net production of Q. acutissima, Q. variabilis. Q. serrata and Q. mongolica forests were 25.0, 23.2, 14.5 and 12.6t/㏊/yr., respectively. The proportion of roots to total biomass and total net production of Q. mongolica forest was higher than that of three other species forests. Net assimilation ratio of Q. acutissima, Q. variabilis, Q. serrata and Q. mongolica forests were 2.87, 2.80, 3.20 and 2.95, respectively. Relatively less leaf biomass of Q. serrata and Q. mongolica forests were the reason why total biomass and total net production of Q. serrata and Q. mongolica forests were less than those of Q. acutissima and Q. variabilis.
박인협,이돈구,이경준,문광선,Park, In Hyeop,Lee, Dong Koo,Lee, Kyung Joon,Moon, Gwang Sun 한국산림과학회 1996 한국산림과학회지 Vol.85 No.1
참나무류 주요 수종의 성장(成長) 및 물질생산(物質生産)을 파악하기 위하여 경기도(京畿道) 광주지방(廣州地方) 서울대학교 농업생명과학대학 부속 중부연습림에 위치하고 있는 평균 수령(樹齡) 32-38년생(年生) 굴참나무, 상수리나무, 떡갈나무, 신갈나무 등 4개 수종 천연임분(天然林分)을 대상으로 임분별 $10m{\times}10m$ 조사구 10개씩을 설치 한 후 매목조사(每木調査)를 실시하고 임분별 10주씩 총 40주의 표본목(標本木)을 선정 벌목하여 조사하였다. 평균 흉고직경(胸高直徑)과 수고(樹高)는 상수리나무, 굴참나무, 신갈나무, 떡갈나무 임분의 순으로 컸다. 임목밀도(林木密度)는 굴참나무, 떡갈나무, 신갈나무, 상수리나무 임분의 순으로 높았다. 현존량(現存量)은 상수리나무 임분 122.73t/ha, 굴참나무 임분 87.03t/ha, 신갈나무 임분 72.14t/ha, 떡갈나무 임분 38.56t/ha의 순으로 많았다. 순생산량(純生産量)은 신갈나무 임분 7.49t/ha/yr., 굴참나무 임분 6.47t/ha/yr., 상수리나무 임분 6.06t/ha/yr., 떡갈나무 임분 3.52t/ha/yr.의 순으로 많았다. 순동화율(純同化率)은 상수리나무 임분 3.275, 굴참나무 임분 2.898, 신갈나무 임분 2.888, 떡갈나무 임분 1.840의 순으로 높았다. 4개 임분의 순동화율(純同化率) 순위와 순생산량(純生産量)순위가 다른 것은 잎의 현존량(現存量)이 다르기 때문이었으며 순생산량(純生産量) 순위와 현존량(現存量) 순위가 다른 것은 지속적 축적기관인 줄기, 비교적 단기간의 축적기관인 가지, 비축적기관인 잎의 순생산량(純生産量) 구성비(構成比)가 다르기 때문이었다. Four natural Quercus stands in Kwangju, Kyonggi-Do, of which ages ranging from 32 to 38 years old, were studied to compare their growth, biomass and net production. Ten $10m{\times}10m$ quadrats were set up and ten sample trees were harvested for dimension analysis in each stand. The largest mean DBH and height were shown by Q. acutissima stand, and followed by Q. variabilis stand, Q. mongolica stand, and Q. dentata stand in descending order. Tree density was the highest at Q. variabilis stand, and followed by Q. dentata stand, Q. mongolica stand, and Q. acutissima stand in descending order. Biomass was the largest at Q. acutissima stand(122.73t/ha), and followed by Q. variabilis stand(87.03t/ha), Q. mongolica stand(72.14t/ha), and Q. dentata stand(38.56t/ha) in descending order. Net production was the greatest at Q. mongolica stand(7.49t/ha/yr.), and followed by Q. variabilis stand(6.47t/ha/yr.), Q. acutissima stand(6.06t/ha/yr.), and Q. dentata stand(3.52t/ha/yr.) in descending order. The highest net assimilation ratio was exhibited by Q. acutissima stand (3.275), and followed by Q. variabilis stand(2.898), Q. mongolica stand(2.888), and Q. dentata stand (1.840) in descending order. The difference in net assimilation ratio and net production among four stands was caused by differences in their leaf biomass. The difference in net production and biomass among four stands was due to that in the distribution of net production among stems, branches and leaves.
참나무류의 성장 및 물질생산에 관한 연구 (1) - 경기도 광주지방의 굴참나무 , 상수리나무 , 떡갈나무 , 신갈나무 천연임분을 대상으로 -
박인협(In Hyeop Park),이돈구(Dong Koo Lee),이경준(Kyung Joon Lee),문광선(Gwang Sun Moon) 한국산림과학회 1996 한국산림과학회지 Vol.85 No.1
Four natural Quercus stands in Kwangju, Kyonggi-Do, of which ages ranging from 32 to 38 years old, were studied to compare their growth, biomass and net production. Ten 10m×10m quadrats were set up and ten sample trees were harvested for dimension analysis in each stand. The largest mean DBH and height were shown by Q. acutissima stand, and followed by Q. variabilis stand, Q. mongolica stand, and Q. dentata stand in descending order. Tree density was the highest at Q. variabilis stand, and followed by Q. dentata stand, Q. mongolica stand, and Q. acutissima stand in descending order. Biomass was the largest at Q. acutissima stand(122.73t/㏊), and followed by Q. variabilis stand(87.03t/㏊), Q. mongolica stand(72.14t/㏊), and Q. dentata stand(38.56t/㏊) in descending order. Net production was the greatest at Q. mongolica stand(7.49t/㏊/yr.), and followed by Q. variabilis stand(6.47t/㏊/yr.), Q. acutissima stand(6.06t/㏊/yr.), and Q. dentata stand(3.52t/㏊/ yr.) in descending order. The highest net assimilation ratio was exhibited by Q. acutissima stand (3.275), and followed by Q. variabilis stand(2.898), Q. mongolica stand(2.888), and Q. dentata stand (1.840) in descending order. The difference in net assimilation ratio and net production among four stands was caused by differences in their leaf biomass. The difference in net production and biomass among four stands was due to that in the distribution of net production among stems, branches and leaves.
전남 모후산지역 소나무 - 굴참나무 혼효림의 종간경쟁 및 물질생산
박인협,문광선 한국임학회 1999 한국산림과학회지 Vol.88 No.4
A natural mixed forest of Pinus densiflora and Quercus variabilis in Mt. Mohu area was studied to investigate patterns of species competition and productivity. Ten 10m×10m plots were set up and eight sample trees of each Pinus densiflora and Quercus variabilis were harvested for dimension analysis. Mean tree age of Pinus densiflora was 33 years and that of Quercus variabilis was 26 nears. DBH and height of Quercus variabilis were larger than those of Pinus densiflora untill tree age 15. After tree age 15, height of Quercus variabilis was higher than height of Pines densiflora while DBH of Quercus variabilis was smaller than DBH of Pines densiflora. For a tree of a given DBH, there was little difference in leaf dry weight between Pines densiflora and Quercus variabilis. For a tree of a given DBH, dry weights of stem wood, stem bark and branches of Quercus variabilis weighed more than those of Pinus densiflora, and the differences between the dry weights of the two species became greater as DBH increased. Net assimilation ratio of Quercus variabilis was higher than that of Pinus densiflora, and biomass accumulation ratio of Quercus variabilis was lower than that of Pinus densiflora. It may be given as a conclusion that Quercus variabilis was superior to Pinus densiflora in species competition owing to faster height growth, higher net assimilation ratio, and lower biomass accumulation ratio. Aboveground stand biomass was 87.7t/㏊ and aboveground stand net production was 8.3t/㏊/yr.