Näin tehtiin Minervan perintö

2003

Long-term bird population changes in the protected areas of Finland under climate change

2018

Long-term bird population changes in the protected areas of Finland under climate change Climate warming causes poleward shifts of species ranges and populations. Also in Finland both ranges (Ref. 1) and mean weighted densities (2) of species have shifted northwards during the past 40 years. Moreover, climate change and other human influences such as land use and hunting may cause changes in population sizes. Protected area (PA) network is one of the key instruments to maintain biodiversity in a changing climate and alleviate abrupt changes in species distributions and densities (3). In order to analyze the ability of nature reserves to maintain populations we compared the observed changes …

Quantifying and assessing the need and potential for assisted migration

2018

Assisted migration (AM) has been suggested as a conservation strategy for aiding species to reach newly suitable locations as climate changes. The magnitude of decrease in range size and the extent of emerging new areas can be used to guide decisions on the applicability of AM. However, before our studies it had not been formalized how predictions of changes in suitable areas, acquired using e.g. species distribution models (SDMs) or expert assessments, should translate into management decisions. We presented a conceptual framework for identifying situations in which projections from such predictions indicate that a species could benefit from AM. We translated predicted changes in suitable …