Klamath Network Landbird Point Count Monitoring Data Package

This dataset contains monitoring data for land bird monitoring at park units within the Klamath Inventory and Monitoring Network (KLMN). Landbirds are an effective tool for monitoring because: (1) many species are easily and inexpensively detected, (2) standardized sampling protocols had already been developed, (3) landbird species respond to a wide variety of habitat conditions, and (4) measuring status and trends for many species with different ecological requirements can inform landscape scale conservation strategies. The KLMN landbird protocol contributes to regional and continental bird monitoring and is integrated with an extensive regional bird monitoring network. This effort has yielded a substantial regional dataset with information about landbird distribution, population trends, and population demographics. Data are collected on species, time, distance, detection method, and breeding status in variable circular plots as well as vegetation surveys including cover and height for trees and shrubs, snag counts, and tree size.

本数据集涵盖克拉马斯资源清查与监测网络（Klamath Inventory and Monitoring Network，KLMN）所辖各公园管护单元的陆地鸟类监测数据。陆地鸟类是开展生态监测的有效指示类群，原因如下：（1）多数物种易于且低成本地被监测发现；（2）标准化采样规程已构建完成；（3）陆地鸟类物种对多样的生境条件具有响应；（4）针对诸多具有不同生态需求的物种开展种群现状与趋势监测，可为景观尺度的保护策略制定提供科学依据。克拉马斯资源清查与监测网络（KLMN）的陆地鸟类监测规程，服务于区域及大陆尺度的鸟类监测工作，并已融入覆盖广泛的区域鸟类监测网络体系。该工作已形成体量可观的区域数据集，涵盖陆地鸟类的分布、种群趋势及种群统计特征等信息。数据采集内容包含可变半径样圆法（variable circular plots）记录的物种、观测时间、距离、检测方法及繁殖状态，同时配套植被调查数据，具体包括乔灌覆盖度与高度、枯立木计数及林木尺寸等指标。