搜索结果: 1-6 共查到“农学 North America”相关记录6条 . 查询时间(0.346 秒)
Accumulated Heating and Chilling Are Important Drivers of Forest Phenology and Productivity in the Algonquin-to-Adirondacks Conservation Corridor of Eastern North America
forest phenology productivity temperature random forest partial dependence
2024/1/10
Research Highlights: Forest phenology and productivity were responsive to seasonal heating and chilling accumulation, but responses differed across the temperature range. Background and Objectives: Te...
The Historical Complexity of Tree Height Growth Dynamic Associated with Climate Change in Western North America
height growth site index global climate change species range species characteristics species ecological amplitude geographic locations western North America
2023/12/1
The effect of climate on tree growth has received increased interest in the context of climate change. However, most studies have been limited geographically and with respect to species. Here, sixteen...
How Native American Agriculture Spread Bees in Pre-Columbian North America
Native American Agriculture Bees Pre-Columbian North America
2016/7/4
Squash was first domesticated in Mexico and is now found throughout North America (NA) along with Peponapis pruinosa, a pollen specialist bee species of the squash genus Cucurbita. The origin and spre...
Multiaged silviculture in North America
multiaged silviculture North America diameter distribution
2015/3/16
Multiaged silviculture is highly variable across North America but a commonality is the ties to the negative exponential diameter distribution to guide stocking control. These methods have evolved in ...
Seed Plant Species Pools：the Development of Species Richness in Eastern Asia and North America
North America Eastern Asia Species Richness Seed Plant
2009/9/23
Great species richness in eastern Asia is the effect of a long history with low extinction and speciati0n
rates,while great richness in northwestern North Am erica is due to recent rapid speciati0n
...
Governor Bush and Cabinet Approve Final Plan for Dry Tortugas National Park Creating the Largest Marine Reserve in North America
Marine Reserve Ecological coral reef
2006/11/24
November 14, 2006，Tallahassee, FL — Today, Governor Bush and the Florida Cabinet approved, by a three to one margin, the National Park Service’s management plan for the Dry Tortugas National Park. The...