<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The first national Corncrake <italic>Crex crex</italic> survey in Slovenia was performed in 1992/93, followed by further five in 1999, 2004, 2010, 2015 and 2020. In 2004, annual monitoring of eight most important Corncrake Natura 2000 sites (SPAs) began. Both datasets showed a moderate population decline since 1992. After Slovenia’s accession to the EU in 2004, Corncrake population steeply declined at SPA Breginjski Stol and moderately declined at SPA Dobrava - Jovsi due to scrub encroachment, whereas moderate decline at SPA Ljubljansko barje can be attributed mostly to intensive grassland management and the conversion of grasslands to arable land, resulting in nest and habitat destruction. In 2020, the number of calling males in Slovenia was smaller by 55 % compared to 1999, when the highest number ever was recorded (683). The highest average number of Corncrakes in the 1992–2021 period was counted at SPA Ljubljansko barje (139 calling males/year), whereas the smallest number was recorded at SPA Snežnik - Pivka (8 calling males/year). A comparison of target values for Corncrake population size on individual SPAs from the national Natura 2000 management programme for the 2015–2020 period with counted population sizes showed that, with the exception of SPA Lake Cerknica, all SPAs are falling behind the target values by 32–90%, depending on the site. Likewise, the majority of sites are far from reaching target values for the enrolment of agri-environmental measure VTR (first cut after 1 Aug). The article also discusses the weaknesses of current VTR, its reform in 2021, as well as other potential measures and financial sources for Corncrake conservation.</p>
</abstract>

Population dynamics of the Corncrake <italic>Crex crex</italic> in Slovenia in the 1992–2021 period

<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>So far, much effort has been invested in the conservation of vulnerable freshwater habitats, yet their number still displays a decreasing tendency worldwide. Although many species have accepted man-made wetlands, their frequent disturbance may have a negative impact on these species. In this study, we examined the effects of human disturbance on the Great Reed Warbler, <italic>Acrocephalus arundinaceus</italic>, nesting population in a semi-urban reed habitat (canal) in Sombor, north-western Serbia. We found that Great Reed Warblers avoided nesting in canal sections where humans altered the reed and bank vegetation by cutting and building piers and other objects. The nesting population moved to other, less disturbed canal sections. Despite the disturbance, the breeding parameters, such as brood parasitism, nest predation, nest desertion and nesting success, did not show significant variations. We conclude that human disturbance does not change breeding performance but may cause adult birds to leave the habitat. We suggest that any human disturbance should be limited and carefully undertaken by following governmental rules.</p>
</abstract>

Human disturbance affects distribution but not nesting success of the Great Reed Warbler in a semi-urban reed habitat

Results of the January 2021 waterbird census in Slovenia

Rare birds in Slovenia in 2020 and 2021 – Slovenian Rarities Committee’s Report

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Acrocephalus

 Original work on all fields of ornithology, without any geographical limitation, is published in Acrocephalus. However, articles covering the south-eastern European and eastern Mediterranean regions are particularly encouraged. Review articles, original articles, points-of-view, specialist and scientific comments (Editorial, Forum), short communications, short notes ('From the ornithological notebook'), diploma abstracts and book reviews (New books) are considered for publication. Contributions can be published in English or Slovene. Why subscribe and read   excellent source of ornithological information from the region (SE Europe)  high quality, peer reviewed papers  appearing quarterly with up-to-date information   Why submit   fair, transparent and quick peer review  promotion of published articles through various abstracting services  wide exchange of the journal with the ornithological community worldwide  regional readership and idea exchange (SE Europe)  language correction for non-English speaking authors  various article formats are available suitable for different levels of scientific research (review articles, original articles, points-of-view, specialist and scientific comments, short communications, short notes, diploma abstracts and book reviews)   Archiving  Sciendo archives the contents of this journal in Portico - digital long-term preservation service of scholarly books, journals and collections.  Plagiarism Policy  The editorial board is participating in a growing community of Similarity Check System's users in order to ensure that the content published is original and trustworthy. Similarity Check is a medium that allows for comprehensive manuscripts screening, aimed to eliminate plagiarism and provide a high standard and quality peer-review process. 

Acrocephalus

Volume 42 (2021): Issue 190-191 (December 2021)

Population dynamics of the Corncrake Crex crex in Slovenia in the 1992–2021 period

Human disturbance affects distribution but not nesting success of the Great Reed Warbler in a semi-urban reed habitat

Results of the January 2021 waterbird census in Slovenia

Rare birds in Slovenia in 2020 and 2021 – Slovenian Rarities Committee’s Report

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