Douglas-fir (Pseudotsuga menziesii) is one of the premier species of the Western forests. Not only is the wood exceptionally strong for its weight, but the trees are abundant. Trees can grow more than ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. How many types of trees are there in the United States? A U.S. Forest Service ...

The world’s tallest Douglas fir is damaged but alive after burning for nearly a week in Oregon. On August 21, arborists climbed the famous 327-foot-tall tree known as the Doerner Fir and used a hose ...

In coastal Oregon, the state's tallest fir tree is burning. Douglas-firs (Pseudotsuga menziesii) are Oregon's most common trees, but the tree that's ablaze, known as the Doerner Fir, is special.

Next most commonly reported genera : Fraxinus (211), Ulmus (207), Liquidambar (169), Cedrus (142), Sequoia (131), Pseudotsuga (75), Calocedrus (72), Umbellularia (69 ...

As Oregon gets hotter and drier due to climate change, tree-killing invasive pests that prefer warmer temperatures are thriving — endangering Sitka spruce along the coast, firs in the mountains and ...

本研究针对野火排放的细模态气溶胶光学厚度（fAOD）因树种差异导致的辐射强迫效应不明的问题，开发了深度学习模型SIDN，首次量化了23个树种属对fAOD的贡献差异，发现Pseudotsuga和Picea属的冬季辐射强迫效应分别增加2.2倍和4倍以上，为气候变化模型和靶向森林 ...

为探究非 - native 树种花旗松在波罗的海南部的适应潜力，研究人员基于 27 个树轮年表，分析其气候 - 生长响应的时空稳定性。发现早期生长季温度主导生长，暖温区正相关性更强，其或可替代衰退的松科树种，但需关注生境影响。 在全球气候变暖的大背景下 ...

Introduction: Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) is considered an important non-native substitute tree species in Europe, especially for Norway spruce (Picea abies (L.) Karst.), mainly ...

CONIFEROUS species show marked differences in their temperature requirements for seedling growth. These differences are connected with not only mean temperature but also with response to fluctuations ...

Predicting where climate change might disrupt species interactions is critical to protect against biodiversity loss and maintain ecosystem functioning. This is particularly true for tree symbioses ...