Larus : godišnjak Zavoda za ornitologiju Hrvatske akademije znanosti i umjetnosti最新文献

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A five-year (2018 – 2022) study of the Eagle Owl Bubo bubo in Croatia. The recolonisation and number estimates of the Eagle Owl in lowland Croatia 对克罗地亚的鹰鸮Bubo Bubo进行了为期五年(2018 - 2022)的研究。克罗地亚低地鹰鸮的重新定居和数量估计
B. Ječmenica
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引用次数: 0
Adaptive final (last-laid) eggs in the Eurasian Blue Tit Cyanistes caeruleus 欧亚蓝山雀的适应性最后(最后产)蛋
Z. Dolenec
{"title":"Adaptive final (last-laid) eggs in the Eurasian Blue Tit Cyanistes caeruleus","authors":"Z. Dolenec","doi":"10.21857/ydkx2co8n9","DOIUrl":"https://doi.org/10.21857/ydkx2co8n9","url":null,"abstract":"The study was carried out in 2021 using nestboxes. I examined the egg-laying pattern of the socially monogamous free-living Eurasian Blue Tit Cyanistes caeruleus that breeds only once a year in the northwestern Croatia. Nestboxes were visited daily to record the laying date of the first and subsequent eggs. A total of 132 eggs from 12 clutches with 11 eggs in each nest (11-egg clutch is the dominant clutch size in the study area) was measured. The mean egg volume was 1.19 cm3 (± 0.12), and the mean egg volume of all final eggs was 1.22 cm3 (± 0.09). In this study, the %D-value was 2.46. According to this value, the Eurasian Blue Tit population in north-western Croatia adopt a “brood survival strategy”, where females allocate greater resources in the final eggs.","PeriodicalId":276635,"journal":{"name":"Larus : godišnjak Zavoda za ornitologiju Hrvatske akademije znanosti i umjetnosti","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115928049","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The comparison of the ornithofauna of bara Dvorina and Gajna - the Sava River floodplains in eastern Croatia 克罗地亚东部萨瓦河洪泛区bara Dvorina和Gajna鸟类区系的比较
Tomislav Mandir, Domagoj Tomičić
{"title":"The comparison of the ornithofauna of bara Dvorina and Gajna - the Sava River floodplains in eastern Croatia","authors":"Tomislav Mandir, Domagoj Tomičić","doi":"10.21857/yvjrdcv71y","DOIUrl":"https://doi.org/10.21857/yvjrdcv71y","url":null,"abstract":"The ornithofauna research of Bara Dvorina and Gajna pasture, both open floodplains of the Sava River protected by the Croatian law, and a part of Natura 2000 ecological network, was conducted monthly in 2021, with 12 field visits at each site, which included breeding, migration","PeriodicalId":276635,"journal":{"name":"Larus : godišnjak Zavoda za ornitologiju Hrvatske akademije znanosti i umjetnosti","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123471889","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The habitat selection of hole-nesting birds in riverine forests along Drava river in Croatia 克罗地亚德拉瓦河沿岸森林中洞巢鸟类的栖息地选择
Mario Slatki
{"title":"The habitat selection of hole-nesting birds in riverine forests along Drava river in Croatia","authors":"Mario Slatki","doi":"10.21857/yrvgqtwzg9","DOIUrl":"https://doi.org/10.21857/yrvgqtwzg9","url":null,"abstract":"The influence of floristic and structural habitat characteristics on pri - mary and secondary hole-nesting bird community characteristics was studied. Research was conducted at 66 points in riverine forest stands near the Drava River in Croatia. The standard point count method was used to study bird communities, and the circular plot method to study habitat characteristics. The average tree basal area was used as an indica - tor of age. The studied points were classified into four groups according to the dominant tree species. Forest habitat was found to be very hetero - geneous. A total of 13 bird species were recorded (five primary and eight secondary hole-nesters). The results showed that the number of bird spe - cies, as well as their abundance, depend on both structural and floristic compositions of forest communities. Older forest stands had higher di - versity of bird communities and higher abundance. Birds selected mixed and ash forest, and floristic characteristics had greater impact on the com - position of secondary hole-nesters community. The number of species and the abundance of secondary hole-nesters were positively correlated with the number of species and the abundance of primary hole-nesters. The results may serve as a guideline for sustainable forest management","PeriodicalId":276635,"journal":{"name":"Larus : godišnjak Zavoda za ornitologiju Hrvatske akademije znanosti i umjetnosti","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122413275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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