Dispersal ecology of deadwood organisms and connectivity conservation
Komonen, A., & Müller, J. (2018). Dispersal ecology of deadwood organisms and connectivity conservation. Conservation Biology, 32(3), 535-545. https://doi.org/10.1111/cobi.13087
Published in
Conservation BiologyDate
2018Copyright
© 2018 Society for Conservation Biology
Limited knowledge of dispersal for most organisms hampers effective connectivity conservation in fragmented landscapes. In forest ecosystems, deadwood‐dependent organisms (i.e., saproxylics) are negatively affected by forest management and degradation globally. We reviewed empirically established dispersal ecology of saproxylic insects and fungi. We focused on direct studies (e.g., mark‐recapture, radiotelemetry), field experiments, and population genetic analyses. We found 2 somewhat opposite results. Based on direct methods and experiments, dispersal is limited to within a few kilometers, whereas genetic studies showed little genetic structure over tens of kilometers, which indicates long‐distance dispersal. The extent of direct dispersal studies and field experiments was small and thus these studies could not have detected long‐distance dispersal. Particularly for fungi, more studies at management‐relevant scales (1–10 km) are needed. Genetic researchers used outdated markers, investigated few loci, and faced the inherent difficulties of inferring dispersal from genetic population structure. Although there were systematic and species‐specific differences in dispersal ability (fungi are better dispersers than insects), it seems that for both groups colonization and establishment, not dispersal per se, are limiting their occurrence at management‐relevant scales. Because most studies were on forest landscapes in Europe, particularly the boreal region, more data are needed from nonforested landscapes in which fragmentation effects are likely to be more pronounced. Given the potential for long‐distance dispersal and the logical necessity of habitat area being a more fundamental landscape attribute than the spatial arrangement of habitat patches (i.e., connectivity sensu strict), retaining high‐quality deadwood habitat is more important for saproxylic insects and fungi than explicit connectivity conservation in many cases.
...
Publisher
Blackwell Scientific PublicationsISSN Search the Publication Forum
0888-8892Keywords
Publication in research information system
https://converis.jyu.fi/converis/portal/detail/Publication/27886768
Metadata
Show full item recordCollections
License
Related items
Showing items with similar title or keywords.
-
Understanding the impacts of forest management and climate change on habitat suitability of deadwood associated species
Ekman, Ellinoora (2021)Suomessa noin 25% metsälajeista on riippuvaisia lahopuusta. Moni näistä lajeista on harvinaistunut intensiivisten metsänhoitotoimien takia. Lisäksi, yksi suurimmista tulevaisuuden uhista boreaalisille ekosysteemeille on ... -
Habitat quality is more important than matrix quality for bird communities in protected areas
Häkkilä, Matti; Abrego, Nerea; Ovaskainen, Otso; Mönkkönen, Mikko (Blackwell Publishing Ltd, 2018)Protected areas are meant to preserve native local communities within their boundaries, but they are not independent from their surroundings. Impoverished habitat quality in the matrix might influence the species composition ... -
Do small protected habitat patches within boreal production forests provide value for biodiversity conservation? : A systematic review protocol
Häkkilä, Matti; Savilaakso, Sini; Johansson, Anna; Sandgren, Terhi; Uusitalo, Anne; Mönkkönen, Mikko; Puttonen, Pasi (BioMed Central Ltd., 2019)Background Forest harvesting is the main driver of habitat degradation and biodiversity loss in forests of the boreal zone. To mitigate harmful effects, small-scale habitats with high biodiversity values have been protected ... -
Comparison of methods to model species habitat networks for decision-making in nature conservation : the case of the wildcat in southern Belgium
Bourdouxhe, Axel; Duflot, Rémi; Radoux, Julien; Dufrêne, Marc (Elsevier, 2020)Facing the loss of biodiversity caused by landscape fragmentation, implementation of ecological networks to connect habitats is an important biodiversity conservation issue. It is necessary to develop easily reproducible ... -
Are small protected habitat patches within boreal production forests effective in conserving species richness, abundance and community composition? : a systematic review
Häkkilä, Matti; Johansson, Anna; Sandgren, Terhi; Uusitalo, Anne; Mönkkönen, Mikko; Puttonen, Pasi; Savilaakso, Sini (BioMed Central, 2021)Background: In boreal zone forest management is changing and degrading forest habitats, which has caused declines in biodiversity. To mitigate these harmful effects in production forests, small-scale habitats with high ...