Large-scale monitoring of waders on their boreal and arctic breeding grounds in northern Europe
Large-scale monitoring of waders on their boreal and arctic breeding grounds in northern Europe
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DOI：
10.5253/arde.v103i1.a1
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发表时间：
2015-06-01
期刊：
影响因子：
0.4
通讯作者：
Lehikoinen, Aleksi
中科院分区：
文献类型：
--
作者：
Lindstrom, Ake;Green, Martin;Lehikoinen, Aleksi
到目前为止，对北方和北极繁殖地涉禽的大规模和全种群监测一直缺乏，主要是因为在鸟类学家很少、面积广阔和道路稀少的地区，物流确实具有挑战性。在挪威、瑞典和芬兰（这里是“芬诺斯堪的纳维亚”），现在有国家监测计划，旨在跟踪所有鸟类物种，从而可以估计北方涉禽种群的趋势。我们提出了联合芬诺斯堪的亚人口趋势的24涉禽物种，涵盖期间2002-2013年（在某些情况下，有些短的时间段）。这些数据来自挪威、芬兰和瑞典北方三分之二地区的1263条路线，这些路线都位于北纬58度以北。这一面积为100万km（2）的区域与芬诺斯堪的亚的北部和北极部分大致重合。所发现的趋势在强劲增长和强劲下降之间分布相当均匀。短期和长期迁徙的趋势没有区别，也没有不同的繁殖纬度。环纹普洛弗（Charadrius hiaticula）、木鹬（Tringa glareola）、绿色鹬（T.）ochropus和红脚鹬T.全口鹬的数量呈显著上升趋势，而普通鹬、黄喉鹬和红脚鹬的数量则呈显著下降趋势。即使是相对不常见的繁殖鸟类，如Temminck的Stint Calidris temminckii，欧亚Dotterel Chara drius morinellus，宽嘴鹬Limicola falcinellus，Jack Snipe Cryptes minimus和红颈Phalaropus Phalaropus lobatus，也可以计算出趋势，尽管这些趋势建立在少数路线和个体上，因此精度较低。挪威和芬兰的监测计划预计在今后几年内将扩大覆盖范围，在这些计划充分发展后，将对多达1 555条北方路线进行跟踪。这将使更强大的趋势估计北方涉禽在其芬诺斯堪的纳维亚繁殖地计算在未来。
Large-scale and population-wide monitoring of waders on their boreal and arctic breeding grounds has hitherto been lacking, mainly because logistics are truly challenging in regions with few ornithologists, vast areas and few roads. In Norway, Sweden and Finland (here 'Fennoscandia') there are now national monitoring schemes in place, aimed at tracking all bird species, which allows trends to be estimated for northern wader populations. We present joint Fennoscandian population trends for 24 wader species, covering the period 2002-2013 (in some cases somewhat shorter time periods). The data stem from 1263 routes in Norway, Finland, and the northern two thirds of Sweden, all situated north of 58 degrees N. This area of one million km(2) largely coincides with the boreal and arctic parts of Fennoscandia. The trends found are rather evenly distributed between strong increases and strong declines. Trends do not differ between short-and long-distance migrants, nor do they vary in relation to breeding latitude. Ringed Plover Charadrius hiaticula, Wood Sandpiper Tringa glareola, Green Sandpiper T. ochropus and Common Redshank T. totanus had significant positive trends, whereas Common Snipe Gallinago gallinago, Ruff Philomachus pugnax and Spotted Redshank Tringa erythropus were declining significantly in numbers. Trends could be calculated even for relatively uncommon breeding birds such as Temminck's Stint Calidris temminckii, Eurasian Dotterel Chara drius morinellus, Broad-billed Sandpiper Limicola falcinellus, Jack Snipe Lymno cryptes minimus and Red-necked Phalarope Phalaropus lobatus, although these trends build on few routes and individuals, and thus have low precision. The monitoring schemes in Norway and Finland are expected to increase in coverage in the coming years, with up to a total of 1555 northern routes being tracked when the schemes are fully developed. This should enable still more robust trend estimates for northern waders on their Fennoscandian breeding grounds to be calculated in the future.