Haku
Viitteet 1-10 / 12
Rapport nr 162: Småskaliga muddringars effekter på förekomsten och sammansättningen av vattenvegetationen
(Åbo Akademi, Husö biologiska station, 2022)
In the summer of 2021, the impact of small-scale dredging on the presence and composition of macrophytes was studied at ten sites in different parts of the Åland islands (Bergö, Strömma, Svartsmara, Bamböle and Hulta). ...
Rapport nr 157: Kartering av fisksamhällen och förekomst av plattfiskar och näbbgädda (Belone belone) på exponerade stränder på Åland
(Åbo Akademi, Husö biologiska station, 2021)
During the summer of 2020, a study was performed to assess the fish communities on exposed and shallow beaches around the Åland Islands, as assigned by the fisheries agency at the Government of Åland. The goals to this ...
Rapport nr 158: Djuputbredning av makrofyter på mjukbottnar i en skärgårdsgradient
(Åbo Akademi, Husö biologiska station, 2021)
In the summer of 2020, the depth distribution and cover of macrophytes was studied in the northwestern Åland Islands. The aim of the study was to describe how the depth distribution of soft bottom macrophytes changes along ...
Rapport nr 154: En översiktlig inventering av fyra potentiella lekvikar i Ålands skärgård
(Åbo Akademi, Husö biologiska station, 2020)
This project was done on the behalf of The Government of Åland, lasting from the beginning of April to end of July 2019. The purpose was to examine four previously selected bays in the archipelago of the Åland Islands as ...
Rapport nr 163: Bottenfaunan i Ålands skärgård 2022
(Åbo Akademi, Husö biologiska station, 2022)
In the summer of 2022, a study of benthic fauna was conducted in the Åland archipelago. The aim was to compare the benthic macroinvertebrate communities between 2013 and 2022 at 39 sites, some of which have been sampled ...
Rapport nr 164: Uppföljningsstudie av gösens (Sander lucioperca (L.)) och de allmänna fiskbeståndens förekomst i Ålands inre skärgård
(Åbo Akademi, Husö biologiska station, 2022)
This was a follow up study based on previous survey of fish stocks in the inner archipelago of Åland with special focus on pikeperch (Sander lucioperca (L.)) performed in the year 2011. Pikeperch is a highly valued species ...
Rapport nr 160: Påverkan av mindre muddringar på förekomsten och sammansättningen av fiskyngel
(Åbo Akademi, Husö biologiska station, 2021)
By assignment of the Fisheries Bureau of the Government of Åland, the impact of small-scale dredging on the abundance and diversity of juvenile fish was studied in different parts of the Åland Islands. The impact of ...
Rapport nr 161: Förslag på nya övervakningspunkter av makrofyter i Ålands ytterskärgård baserat på karteringsdata
(Åbo Akademi, Husö biologiska station, 2021)
In the summer of 2021, vegetation data was analyzed and visualized to locate suitable new locations for monitoring. The data was collected between the years 2004 and 2020, using diving transects, around the Åland Islands. ...
Rapport nr 156: Grundkartering och bedömning av vattentäktspotential i fem åländska sjöar
(Åbo Akademi, Husö biologiska station, 2020)
In the summer of 2019 five lakes (Bjärströmsträsk, Degerbergsfjärden, Dalsträsk, Kvarnträsk and Långträsk) in the Åland Islands were surveyed to determine their potential for water extraction. Water extraction from lakes ...
Rapport nr 155: Kartering och habitatsklassificering av undervattensmiljön i Geta
(Åbo Akademi, Husö biologiska station, 2020)
As assigned by the Provincial Government of Åland Islands on the request of Geta Municipality, a mapping of underwater vegetation was carried out in the coastal waters of Geta, in the archipelago of Åland Islands. The aim ...