主要樹(shù)種的生產(chǎn)力

1、4.華北地區(qū)主要森林類(lèi)型生物量和生產(chǎn)力研究4.1 華北落葉松生物量和生產(chǎn)力研究4.1.1 華北落葉松生物量研究本文運(yùn)用生物量模型的方法來(lái)估計(jì)落葉松林生物量，誤差較小。常用的森林生物量模型估算方法主要是利用樹(shù)木(包括樹(shù)干、樹(shù)枝、樹(shù)葉和樹(shù)根)實(shí)測(cè)的生物量與樹(shù)木胸徑(D)或胸徑平方與樹(shù)高的乘積(D2H)建立相對(duì)生長(zhǎng)方程來(lái)進(jìn)行估算的。本文在韓有志、李玉娥等在華北落葉松人工林林木生物量的研究成果及譚緒泉等人研究華北落葉松自然稀疏模型基礎(chǔ)上，結(jié)合標(biāo)準(zhǔn)地調(diào)查，解析木分析計(jì)算獲得了承德地區(qū)落葉松林各部分生物量，計(jì)算結(jié)果如下表：圖4-1 華北落葉松各部分生物量比例表4-1 承德地區(qū)落葉松單株各部分生物量表 (

2、kg/株 )年份樹(shù)干樹(shù)枝樹(shù)葉根系全株197810.736.971.187.7426.62197912.698.241.399.1531.47198014.639.501.6010.5536.28198116.4710.701.8111.8740.84198218.3111.892.0113.2045.41198320.2313.142.2214.5950.18198422.8514.842.5016.4756.66198525.2016.372.7618.1762.50198627.9418.153.0620.1569.31198731.9720.773.5023.0579.30198836.

3、0323.403.9525.9889.36198940.2526.144.4129.0299.83199044.3928.834.8732.00110.09199147.8431.075.2434.49118.64199250.3432.705.5236.29124.85199353.8234.965.9038.80133.48199457.7037.486.3341.60143.11199560.6339.386.6543.71150.37199662.9940.926.9145.42156.23199764.3341.797.0546.38159.56199868.7744.677.544

4、9.58170.55199971.4946.447.8451.55177.32200073.7547.908.0853.17182.91200176.2549.538.3654.97189.11200278.6051.068.6256.67194.95200381.6653.048.9558.88202.54200485.7355.699.4061.81212.63200588.8857.739.7464.08220.43200691.5259.4510.0365.98226.98200794.4461.3510.3568.09234.23200897.7363.4810.7170.46242

5、.39圖4-2 華北落葉松林分自然稀疏模型4.1.2 華北落葉松生產(chǎn)力研究生產(chǎn)力是指單位面積、單位時(shí)間內(nèi)有機(jī)物的凈生產(chǎn)量?？梢杂脝挝幻娣e和時(shí)間內(nèi)所積累的生物量表示生產(chǎn)力。在計(jì)算每公頃的生物量時(shí)，結(jié)合上文（圖4-2）落葉松自然稀疏模型來(lái)計(jì)算單位面積的落葉松生物量。本文主要是運(yùn)用承德地區(qū)每年每公頃生物量的增加量來(lái)表示該地區(qū)華北落葉松的生產(chǎn)力（如下表4-2）。表4-2 承德地區(qū)落葉松單位面積生產(chǎn)力表年份整株生物量（kg/株）每公頃株數(shù)（株）每公頃生物量（t·hm-2）生產(chǎn)力（t·hm-2·a-1）197826.62284775.806.58197931.47261882

6、.385.46198036.28242187.844.12198140.84225291.973.50198245.41210295.465.16198350.182005100.626.75198456.661895107.377.20198562.501833114.576.72198669.311750121.296.86198779.301616128.155.89198889.361500134.048.62198999.831429142.654.981990110.091341147.634.581991118.641283152.222.851992124.851242155.

7、065.121993133.481200160.185.831994143.111160166.003.161995150.371125169.162.691996156.231100171.852.071997159.561090173.924.481998170.551046178.403.001999177.321023181.400.422000182.91994181.812.382001189.11974184.203.932002194.95965188.123.272003202.54945191.403.162004212.63915194.552.072005220.438

8、92196.621.762006226.98874198.383.532007234.23862201.913.152008242.39846205.063.144.2 山楊生物量和生產(chǎn)力研究4.2.1 山楊生物量研究本文運(yùn)用生物量模型的方法來(lái)估計(jì)山楊生物量（方法同上4.1.1落葉松生物量研究方法）。本文在朱興武等人對(duì)山楊林分生物量的研究成果及譚緒泉等人研究山楊自然稀疏模型基礎(chǔ)上，結(jié)合標(biāo)準(zhǔn)地調(diào)查，解析木分析計(jì)算獲得了承德地區(qū)山楊各部分生物量，計(jì)算結(jié)果如下：圖4-3 山楊各部分生物量比例表4-3承德地區(qū)山楊單株各部分生物量表 ( kg/株 )年份樹(shù)干樹(shù)枝樹(shù)葉根系全株197814.305.301.

9、164.6725.43197915.605.781.265.1027.74198017.636.541.435.7631.35198119.207.121.556.2734.15198220.747.691.686.7836.89198322.368.291.817.3039.76198424.329.021.977.9543.25198526.609.862.158.6947.31198628.6410.622.329.3650.93198730.8511.442.5010.0854.86198833.3512.362.7010.8959.30198935.6913.232.8911.666

10、3.47199038.3314.213.1012.5268.17199141.0115.213.3213.4072.93199243.8416.263.5514.3277.97199346.6317.293.7715.2382.93199449.2218.253.9816.0887.53199551.7119.174.1816.8991.96199653.9820.024.3717.6496.01199756.6721.014.5918.51100.78199858.8021.804.7619.21104.58199961.3222.744.9620.03109.04200063.8323.6

11、75.1620.85113.51200166.4024.625.3721.69118.08200268.9425.565.5822.52122.60200371.5326.525.7923.37127.20200474.1827.516.0024.23131.92200577.1228.596.2425.19137.15200679.8929.626.4626.10142.08200781.1230.086.5626.50144.27200885.1331.566.8927.81151.39圖4-4 山楊林分自然稀疏圖4.2.2 山楊生產(chǎn)力研究生產(chǎn)力是指單位面積、單位時(shí)間內(nèi)有機(jī)物的凈生產(chǎn)量?？?/p>

12、以用單位面積和時(shí)間內(nèi)所積累的生物量表示生產(chǎn)力。在計(jì)算每公頃的生物量時(shí)，結(jié)合上文（圖4-4）山楊自然稀疏模型來(lái)計(jì)算單位面積的山楊生物量。本文主要是運(yùn)用承德地區(qū)每年每公頃生物量的增加量來(lái)表示該地區(qū)山楊的生產(chǎn)力（如下表4-4）。表4-4承德地區(qū)山楊單位面積生產(chǎn)力表年份整株生物量（kg/株）每公頃株數(shù)（株）每公頃生物量（t·hm-2）生產(chǎn)力（t·hm-2·a-1）197825.434880124.112.17197927.744552126.292.27198031.354100128.553.64198134.153871132.193.39198236.8936751

13、35.581.45198339.763446137.034.56198443.253273141.593.82198547.313074145.423.82198650.932930149.233.72198754.862788152.964.44198859.302654157.404.44198963.472550161.843.67199068.172428165.514.73199172.932334170.244.42199277.972240174.664.46199382.932160179.124.42199487.532097183.542.29199591.96202118

14、5.832.11199696.011958187.934.241997100.781907192.182.641998104.581863194.813.771999109.041821198.582.212000113.511769200.793.152001118.081727203.942.692002122.601685206.633.312003127.201651209.953.192004131.921616213.141.262005137.151563214.401.512006142.081520215.912.662007144.271515218.574.6020081

15、51.391474223.162.944.3白樺生物量和生產(chǎn)力研究4.3.1 白樺生物量研究本文運(yùn)用生物量模型的方法來(lái)估計(jì)白樺生物量（方法同上4.1.1落葉松生物量研究方法）。本文在江洪等人對(duì)白樺林分生物量的研究成果及譚緒泉等人研究白樺自然稀疏模型基礎(chǔ)上，結(jié)合標(biāo)準(zhǔn)地調(diào)查，解析木分析計(jì)算獲得了承德地區(qū)白樺各部分生物量，計(jì)算結(jié)果如下：圖4-5 白樺各部分生物量圖表4-5承德地區(qū)白樺單株各部分生物量表 ( kg/株 )年份樹(shù)干樹(shù)枝樹(shù)葉根系全株19848.635.260.914.4319.2219859.515.801.004.8821.18198610.256.251.085.2622.851987

16、10.976.691.165.6324.45198812.047.351.276.1826.84198913.128.011.386.7429.25199014.198.651.507.2831.62199115.639.531.658.0234.83199216.7510.221.778.6037.33199317.6910.791.869.0839.42199419.0311.612.019.7742.41199520.5312.512.1610.5245.72199621.5613.152.2711.0748.04199722.8113.922.4011.7150.84199824.17

17、14.752.5512.4153.88199925.5215.562.6913.0956.85200027.0116.472.8513.8660.19200128.6017.453.0214.6863.74200230.0218.303.1615.4066.89200331.7519.373.3516.3070.77200433.2220.273.5017.0574.03200535.0221.353.6917.9778.03200636.4922.263.8518.7381.32200738.2723.354.0419.6585.31200840.1224.484.2320.6089.42圖

18、4-6 白樺林分自然稀疏模型4.3.2 白樺生產(chǎn)力研究生產(chǎn)力是指單位面積、單位時(shí)間內(nèi)有機(jī)物的凈生產(chǎn)量?？梢杂脝挝幻娣e和時(shí)間內(nèi)所積累的生物量表示生產(chǎn)力。在計(jì)算每公頃的生物量時(shí)，結(jié)合上文（圖4-6）白樺自然稀疏模型來(lái)計(jì)算單位面積的白樺生物量。本文主要是運(yùn)用承德地區(qū)每年每公頃生物量的增加量來(lái)表示該地區(qū)白樺的生產(chǎn)力（如下表4-6）。表4-6 承德地區(qū)白樺單位面積生產(chǎn)力表年份整株生物量（kg/株）每公頃株數(shù)（株）每公頃生物量（t·hm-2）生產(chǎn)力（t·hm-2·a-1）198438.458399161.472.50198542.367742163.971.86198645.

19、697258165.832.16198748.896872167.992.56198853.696354170.551.85198958.505894172.391.52199063.235501173.922.97199169.655079176.892.26199274.674799179.152.65199378.854612181.801.89199484.834331183.692.15199591.454064185.842.78199696.093926188.622.161997101.673753190.782.091998107.763580192.873.38199911

20、3.713452196.262.832000120.383308199.081.632001127.483149200.711.082002133.783017201.801.472003141.542872203.271.732004148.072769205.001.402005156.072645206.402.662006162.652571209.063.212007170.622488212.271.392008178.852389213.662.214.4 油松生物量和生產(chǎn)力研究4.4.1 油松生物量研究本文運(yùn)用生物量模型的方法來(lái)估計(jì)油松生物量（方法同上4.1.1落葉松生物量研究

21、方法）。本文在吳剛、馮宗偉等人對(duì)油松林分生物量的研究成果及譚緒泉等人研究油松自然稀疏模型基礎(chǔ)上，結(jié)合標(biāo)準(zhǔn)地調(diào)查，解析木分析計(jì)算獲得了承德地區(qū)油松各部分生物量，計(jì)算結(jié)果如下：圖4-7 油松各部分生物量比例表4-7 承德地區(qū)油松單株各部分生物量表 ( kg/株 )年份樹(shù)干樹(shù)枝樹(shù)葉根系全株197811.760.720.406.7119.60197913.070.800.457.4621.78198014.130.870.498.0723.55198114.890.920.518.5124.83198215.700.970.548.9626.16198316.541.020.579.4527.5719

22、8417.291.060.599.8828.83198517.641.080.6110.0729.41198619.361.190.6711.0632.27198720.621.270.7111.7834.37198821.651.330.7412.3636.09198922.891.410.7913.0738.15199024.471.500.8413.9740.78199127.151.670.9315.5145.26199227.491.690.9515.7045.83199328.421.750.9816.2347.37199429.801.831.0217.0249.68199531

23、.541.941.0818.0152.58199632.061.971.1018.3153.44199732.852.021.1318.7654.75199835.862.211.2320.4859.78199937.422.301.2921.3762.37200038.702.381.3322.1064.51200139.672.441.3622.6566.13200240.812.511.4023.3068.02200342.262.601.4524.1370.44200444.252.721.5225.2773.76200546.772.881.6126.7177.96200648.713.001.6727.8281.20200750.463.101.7428.8284.12200852.133.211.7929.7786.91圖4-8 承德地區(qū)油松林分自然稀疏模型4.4.2 油松生產(chǎn)力研究生產(chǎn)力是指單位面積、單位時(shí)間內(nèi)有機(jī)物的凈生產(chǎn)量?？梢杂脝挝幻娣e和時(shí)間內(nèi)所積累的生物量表示生產(chǎn)力。在計(jì)算每公頃的生物量時(shí)，結(jié)合上文（圖4-6）油松自然稀疏模型來(lái)計(jì)算單位面積的油松生物量。本文主要是運(yùn)用承德地區(qū)每年