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
40
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] The passage implies which of the following about native plant regeneration in forests after a fire?
选项
A、It is hampered by the changed nature of the fire-affected soils.
B、It will generally occur without the human interventions of reseeding or replanting.
C、The likelihood of its success increases when forest managers have on hand a good supply of native seed sources.
D、Native plants will inevitably have to compete with nonnative plants.
E、The earlier nature reestablishment occurs, the more complete it will
答案
B
解析
根据第二句,当地种子的资源几乎总是足够的,因此不受到人类的影响也可以发生自然再生。选项B正确。A项文章第一句确实提到土壤性质发生了变化,但是没说自然再生的进程会受到土壤性质的变化的阻碍。
转载请注明原文地址:https://tihaiku.com/zcyy/3964044.html
相关试题推荐
Exoticinsectpestscanproducebothshort-andlong-termeffectsonforeste
MigratorysongbirdsbreedinginEurasia’stemperateforestsdependonasumm
Seedingaforestwithnonnativespeciesafterafirecanimpedenativeplant
Recently,researchersinvestigatedtheforagingprofilesofbirdspeciesin
Therehavebeennumerouswell-documentedextinctionsofindigenousspeciesc
Ourstudyrevealedthatnest-guardinglong-tailedskinks(aspeciesoflizar
Ourstudyrevealedthatnest-guardinglong-tailedskinks(aspeciesoflizar
Ourstudyrevealedthatnest-guardinglong-tailedskinks(aspeciesoflizar
Becausedifferentmammalianspeciesfavordifferentenvironments,identifyin
AmongsomeNativeAmericanpeoples,theoraltraditionofonegrouphassome
随机试题
ThefullofficialnameofAustraliaisA、TheRepublicofAustralia.B、TheCommonw
Wouldyoumindme(open)______thewindowtoletfreshairin?opening本题测试的是短语固定
Whetheranoperationshouldbeperformedinthiscase______verymuchonthepat
(1)Supposeyouaredrivingonahighwaywiththreelanesgoinginyourdirec
Thebagisveryheavy.Comeandlendme
轴向抗拔静载荷试验桩顶累计上拔量超过()时可以终止加载。A.50mm B
患者女,42岁。从高处跌下,头部着地,当时昏迷约10分钟后清醒,左耳道流出血性液
根据市场和企业状况,装配车间15—8型号汽车的投入量调整为15000台,则齿轮加
被称为“现代电影之父”的是( )。A、卓别林 B、格里菲斯 C、爱森斯坦
以下属于政府间转移支付特点的有( )。A.范围只限于政府之间 B.范围仅限于
最新回复
(
0
)