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Article
Saija Sirkia, Auteur ; Andreas Linden, Auteur ; Pekka Helle, Auteur ; Ari Nikula, Auteur ; Jonas Knape, Auteur ; Harto Linden, AuteurIn Finland, Capercaillie (Tetrao urogallus) populations have a history of serious decrease starting from the mid-20th century. The decline is temporally in line with the expansion of modern forestry practices that created major changes in the la[...]
Article
Jonas Knape, AuteurEstimating trends of populations distributed across wide areas is important for conservation and management of animals. Surveys in the form of annually repeated counts across a number of sites are used in many monitoring programmes, and from the[...]
Article
Andreas Linden, Auteur ; Kalle Meller, Auteur ; Jonas Knape, AuteurBird migration phenology shows strong responses to climate change. Studies of trends and patterns in phenology are typically based on annual summarizing metrics, such as means and quantiles calculated from raw daily count data. However, with irr[...]
Article
Fredrik Haas, Auteur ; Jonas Knape, Auteur ; Anders Brodin, AuteurThe relatively narrow hybrid zone between hooded and carrion crow is characterised by a high proportion of breeding hybrids, no known intrinsic postzygotic costs, and most likely, high gene flow between populations. It is therefore of interest t[...]
Article
Niclas Jonzén, Auteur ; Tony Pople, Auteur ; Jonas Knape, Auteur ; Martin Skold, AuteurP>1. Many organisms inhabit strongly fluctuating environments but their demography and population dynamics are often analysed using deterministic models and elasticity analysis, where elasticity is defined as the proportional change in populatio[...]
