首页
登录
职称英语
Seeding a forest with nonnative species after a fire can impede native plant
Seeding a forest with nonnative species after a fire can impede native plant
游客
2025-02-19
9
管理
问题
Seeding a forest with nonnative species after a fire can impede native plant regeneration and spread invasive species in vulnerable fire-affected soils. Moreover, native seed sources are almost always sufficient for early nature reestablishment of native species, so planting should be considered only when natural regeneration is unlikely. Replanting dense stands of fast-growing conifers—a common postfire management practice—truncates the biologically rich early stage of ecological succession and can increase the severity of future fires. Other treatments should be carefully scrutinized for their potential to spread noxious weeds. For instance, straw much applied extensively to reduce erosion after the 2002 Hayman Fire in Colorado was contaminated with cheatgrass, an invasive grass difficult to control or eradicate once established. [br] According to the passage, which of the following is a consequence of replanting an area with dense stands of fast-growing conifers after a fire?
选项
A、The normal progression of ecological development will be affected.
B、The conifers will be slower growing than if they had been less densely planted.
C、Subsequent fires may be more severe than they would have been if such a replanting had not been done.
答案
A,C
解析
根据conifers,这道题定位到第三句,可知选项A、C正确。
转载请注明原文地址:https://tihaiku.com/zcyy/3964043.html
相关试题推荐
EXOTIC:A、nativeB、dispensableC、taciturnD、embeddedE、indisputableA
FACILITATE:A、gripB、secreteC、sanctifyD、impedeE、hurdleD
HAPLESS:A、fortuitousB、fortunateC、fortifiedD、forbiddenE、forestalledB
FIRE:WOOD::A、motor:boatB、sunlight:forestC、oil:waterD、gears:bicycle
Duringthemid-twentiethcenturytheUnitedStatesbeganapolicytowardNative
Duringthemid-twentiethcenturytheUnitedStatesbeganapolicytowardNative
Mechanismsdevelopwherebyeverysuccessfulspeciescan______itsinnatecapacity
Althoughplantandanimalspeciesthatbecomeestablishedinecosystemswhereth
Theforestrangercautionedthehikersthattheirproposedroutemightprovedan
Despitethe(i)______ofpopularinterestinrainforestsandmedicinalplants,t
随机试题
[img]2014m3x/ct_eyyjscz2013c_eyyjscd_0021_20138[/img]Ifyou【D1】______smooth
Howtoprotectyourcomputerfrombeingattackedbyavirus?First,bes
科西嘉岛野生欧洲盘羊是8000年前这个岛上的驯养羊逃到野外后的直系后代,因而它们
项目采用挣值法进行综合分析后得到:ACWP大于BCWS大于BCWP,则项目()
关于肩先露描述,错误的为A.胎体纵轴与母体纵轴相垂直,胎体横卧于骨盆入口上 B
根据企业财务报表等信息资料,采用专门的方法,系统的分析和评价企业财务状况、经营成
采用选择性腹腔动脉造影,确定上消化道出血部位,适用于A.出血任何时期 B.出血
Icatchacoldnowandthen.A:always
灭火器箱应该上锁。
甲乙两家建筑公司联合投标某一工程。在提交投标文件截止之日前,甲公司拟承担另一项目
最新回复
(
0
)