南京林业大学学报(自然科学版) ›› 2020, Vol. 44 ›› Issue (3): 74-80.doi: 10.3969/j.issn.1000-2006.201905024
收稿日期:
2019-05-16
修回日期:
2019-07-18
出版日期:
2020-05-30
发布日期:
2020-06-11
通讯作者:
张恒
作者简介:
王雷(基金资助:
WANG Lei(), XU Jiachen, ZHU Pengfei, LI Jiayan, ZHANG Heng()
Received:
2019-05-16
Revised:
2019-07-18
Online:
2020-05-30
Published:
2020-06-11
Contact:
ZHANG Heng
摘要: 树木是森林或园林城市火灾发生的物质基础,也是火灾发生不可避免的因素。园林植物合理的选择和配置是构建生物防火林带的基础工作。对呼和浩特市21种园林树种叶、小枝、大枝进行燃烧性研究,筛选适合北方城市绿地强抗火防火型树种,为园林树种配置提供理论基础。 借助SPSS 18.0和Origin 2018等软件,运用主成分分析法对影响树种燃烧性的含水率、粗脂肪、粗灰分、燃点、热值等5项理化性质指标进行分析,并对各树种燃烧性进行综合评价。 21种园林树种的燃烧性大小顺序由强到弱依次为小叶黄杨、砂地柏、蒙古荚蒾、柽柳、蒙桑、紫叶碧桃、暴马丁香、一叶萩、接骨木、土庄绣线菊、沙枣、细裂槭、山桃、互叶醉鱼草、华北珍珠梅、紫叶小檗、黄刺玫、重瓣榆叶梅、灰栒子、锦带花、枸杞。这些树种划分为3个等级:强抗火性、可抗火性、弱抗火性。强抗火树种包括紫叶小檗、黄刺玫、重瓣榆叶梅、灰栒子、锦带花、枸杞;可抗火性树种包括一叶萩、接骨木、土庄绣线菊、沙枣、细裂槭、山桃、互叶醉鱼草、华北珍珠梅;弱抗火性树种包括小叶黄杨、砂地柏、蒙古荚蒾、柽柳、蒙桑、紫叶碧桃、暴马丁香。 呼和浩特市21种园林树种中基于阻火优先筛选的树种为紫叶小檗、黄刺玫、重瓣榆叶梅、灰栒子、锦带花、枸杞,研究结果可为园林树种防控城市森林火灾提供树种选择依据。
中图分类号:
王雷,徐家琛,朱鹏飞,等. 呼和浩特市主要园林树种理化性质及燃烧性研究[J]. 南京林业大学学报(自然科学版), 2020, 44(3): 74-80.
WANG Lei, XU Jiachen, ZHU Pengfei, LI Jiayan, ZHANG Heng. Physical and chemical properties and combustibility of predominant landscape tree species in Hohhot, China[J].Journal of Nanjing Forestry University (Natural Science Edition), 2020, 44(3): 74-80.DOI: 10.3969/j.issn.1000-2006.201905024.
图1
可燃物含水率ZYXB.紫叶小檗(Berberis xinganensis);SDB.砂地柏(Sabina vulgaris);HYZYC.互叶醉鱼草(Buddleja alternifolia);BMDX.暴马丁香(Syringa reticulata);ST.山桃(Amygdalus davidiana);ZYBT.紫叶碧桃(Amygdalus persica);TZXXJ.土庄绣线菊(Spiraea pubescens);YYQ.一叶萩(Flueggea suffruticosa);SZ.沙枣(Elaeagnus angustifolia);HCM.黄刺玫(Rosa xanthina);CL.柽柳(Tamarix chinensis);JGM.接骨木(Sambucus williamsii);GQ.枸杞(Lycium chinense);JDH.锦带花(Weigela florida);HBZZM.华北珍珠梅(Sorbaria kirilowii;XYHY.小叶黄杨(Buxus sinica);MS.蒙桑(Morus mongolica);HXZ.灰栒子(Cotoneaster acutifolius);MGJM.蒙古荚蒾(Viburnum mongolicum);CBYYM.重瓣榆叶梅(Amygdalus triloba);XLQ.细裂槭(Acer stenolobum)。下同。The same below."
表3
样本因子得分"
树种 species | x1 | x2 | x3 | x4 |
---|---|---|---|---|
ZYXB | -0.671 19 | -0.296 98 | -0.966 40 | 1.617 04 |
SDB | 1.976 03 | 1.350 52 | -0.581 17 | -1.097 04 |
HYZYC | 0.283 27 | -1.135 91 | 0.331 51 | -0.096 82 |
BMDX | 1.912 56 | -1.310 44 | -0.881 22 | -0.675 55 |
ST | -0.025 43 | 0.263 62 | -0.918 68 | 0.620 31 |
ZYBT | 0.383 06 | 0.581 22 | -0.391 61 | 0.822 68 |
TZXXJ | 0.122 70 | 0.050 06 | -0.635 31 | 0.481 48 |
YYQ | -0.171 35 | 0.278 61 | 0.489 85 | 0.644 01 |
SZ | -0.296 67 | 0.477 65 | -0.490 75 | 0.798 32 |
HCM | -0.898 10 | -0.392 40 | -0.591 93 | 1.008 81 |
CL | -0.218 04 | -0.525 08 | 2.912 51 | 1.017 21 |
JGM | -0.731 72 | 1.319 26 | 0.079 74 | 0.694 91 |
GQ | -1.258 34 | -1.093 93 | 0.039 01 | -0.782 16 |
JDH | -0.731 22 | -1.053 98 | -0.618 82 | -0.395 08 |
HBZZM | -0.520 43 | -0.288 48 | -0.431 80 | 0.592 57 |
XYHY | 2.664 55 | -0.429 05 | 1.015 56 | 1.057 62 |
MS | -0.446 30 | 1.1466 70 | 1.705 32 | -0.984 18 |
HXZ | -0.558 83 | -1.180 65 | 0.754 50 | -1.905 05 |
MGJM | -0.372 15 | 2.590 04 | -0.180 97 | -0.979 95 |
CBYYM | -0.240 03 | -0.441 05 | -1.269 37 | -1.399 49 |
XLQ | -0.202 36 | 0.090 30 | 0.630 03 | -1.039 65 |
表4
各树种综合指标排序"
树种 species | 燃烧性值 combustibility value | 排序 rank | 树种 species | 燃烧性值 combustibility value | 排序 rank | |
---|---|---|---|---|---|---|
XYHY | 123.611 | 1 | XLQ | -4.286 | 12 | |
SDB | 93.593 | 2 | ST | -4.743 | 13 | |
MGJM | 38.935 | 3 | HYZYC | -12.645 | 14 | |
CL | 38.250 | 4 | HBZZM | -30.419 | 15 | |
MS | 32.211 | 5 | ZYXB | -36.700 | 16 | |
ZYBT | 30.863 | 6 | HCM | -47.244 | 17 | |
BMDX | 21.801 | 7 | CBYYM | -55.956 | 18 | |
YYQ | 14.701 | 8 | HXZ | -56.740 | 19 | |
JGM | 11.986 | 9 | JDH | -70.717 | 20 | |
TZXXJ | –0.534 | 10 | GQ | -84.915 | 21 | |
SZ | -1.050 | 11 |
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