نتایج جستجو برای: arboriculture
تعداد نتایج: 64 فیلتر نتایج به سال:
Southern pine beetles (SPB), and associated bark beetles, have long been recognized as major pests of southern forests. Tactics used for controlling infestations in conventional forest settings have not proven effective at achieving area-wide control, nor are they suitable for the control of infestations in high-value stands such as homesites or wildlife habitat areas. Limited options exist for...
Globally, cities are planning for resilience through urban greening initiatives as governments understand the importance of forests in improving quality life and mitigating climate change. However, persistence ecosystem benefits they provide threatened by change, systematic assessments causes tree dieback mortality environments rare. Long-term monitoring studies adaptive management needed to id...
The fats, protein and carbohydrates afforded by tree nuts fruits are key resources for communities from Southeast Asia, through Melanesia, Australia across Oceania. They important in long-distance marine trade networks, large-scale ceremonial gatherings, core a wide range of subsistence economies, including foraging systems, horticulture swidden agriculture. Recent archaeobotanical evidence has...
علوم و تکنولوژی محیط زیست، دورهنوزدهم، شماره چهار، زمستان 96 بررسی ساختار تودههای انارشیطان (Tecomellaundulata R.) در استان بوشهر زهرا ذولفقاری[1] مصطفی مرادی [2] * [email protected] رضا بصیری [3] اکبر قاسمی[4] تاریخ دریافت:21/9/94 تاریخ پذیرش:6/11/94 چکیده زمینه و هدف: ساختار از عوامل مهم زیست محیطی است که میتواند ویژگیهای منحصر به فردی را در جنگل ایجاد نماید...
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