We used multi‐season occupancy analyses to model 2 fates of northern spotted owl territories in relation to habitat amount, habitat fragmentation, and the presence of barred owls in Washington State, USA, 1989–2005. Local colonization is the probability a territory unoccupied by a spotted owl in year i would be occupied in year i + 1, and local extinction is the probability a territory that was occupied by a spotted owl in year i would be unoccupied in year i + 1. We found a negative relationship between local extinction probability and amount of late‐seral forest edge. We found a negative relationship between colonization probability and the number of late‐seral forest patches (higher fragmentation), and a negative relationship between colonization probability and the amount of non‐habitat within 600 m of a spotted owl territory center (Akaike weight = 0.59). The presence of barred owls was positively related to extinction probability and negatively related to detection probability of spotted owls. The negative relationship between presence of barred owls and detectability of spotted owls indicated that spotted owls could be modifying their calling behavior in the presence of barred owls. The positive relationship between barred owl detections and local extinction probability suggests that because of competition with barred owls, spotted owls are being displaced. Published 2014. This article is a U.S. Government work and is in the public domain in the USA.

中文翻译：

---

条纹猫头鹰和景观属性会影响北部斑点猫头鹰的栖息地。

我们使用了多季节占用率分析来模拟1989年至2005年在美国华盛顿州与北部栖息地数量，栖息地破碎化以及条纹猫头鹰的存在有关的北部斑点猫头鹰地区的2种命运。当地殖民是由斑点猫头鹰在一年无人居住领土的可能性我会在一年内占领我 + 1，和当地的灭绝，是由一个斑点猫头鹰在年占领领土的可能性我会在一年没人住我 +1。我们发现局部灭绝概率与晚生森林边缘数量之间存在负相关关系。我们发现定居的猫头鹰与后期发现的森林斑块数量之间的负相关关系（较高的破碎度），以及发现的猫头鹰栖息地中心600 m以内的定居概率与非栖息地数量之间的负相关关系（赤池权重= 0.59） ）。条纹猫头鹰的存在与灭绝概率呈正相关，与斑点猫头鹰的检测概率呈负相关。条纹猫头鹰的存在与斑点猫头鹰的可检测性之间的负相关关系表明，斑点猫头鹰在条纹猫头鹰的存在下可能会改变其呼唤行为。条纹猫头鹰的发现与当地物种灭绝概率之间的正相关关系表明，由于与条纹猫头鹰的竞争，斑点猫头鹰正在流离失所。2014年出版。本文是美国政府的工作，在美国属于公共领域。