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- Anderegg, G. C. (författare)
Litter removal reduces seed predation in restored prairies during times when seed predation would otherwise be high
- Artikel/kapitelEngelska2022
Förlag, utgivningsår, omfång ...
- 2021-09-21
- Wiley,2022
Nummerbeteckningar
- LIBRIS-ID:oai:gup.ub.gu.se/308328
- https://gup.ub.gu.se/publication/308328URI
- https://doi.org/10.1111/rec.13550DOI
Kompletterande språkuppgifter
- Språk:engelska
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- SwePubSwePub
Klassifikation
Anmärkningar
- Understanding patterns of seed predation in tallgrass prairie restorations is vital because seed additions are often used by managers to increase diversity and promote native species. However, the success of seed additions depends on the extent of seed predation. It is not clear how seed predation varies through time and to what extent it is affected by various commonly used management techniques in grasslands (e.g. spring or fall prescribed burns, mowing). We examined how predation of Sorghastrum nutans seeds changed during eight trials between June 2018 and April 2019 in plots that received one of four different plant litter removal treatments (fall mow, fall burn, spring burn, and unaltered control). Granivory varied throughout the year, reaching its peak in the late fall and early winter. However, we found that seed predators consumed significantly fewer seeds when litter was removed following fall burn and fall mow treatment applications. These treatments occurred during times when granivory was otherwise high in areas where litter remained intact (control and spring burn plots). Our findings highlight the importance of management decisions and how they interact with granivory in grassland restorations. Both time of year and litter cover determine seed predation rates; seed predators consume more seeds when seeds are abundant but rely on intact litter cover while foraging. This suggests that if seeds are added during the fall, litter should be removed to minimize the loss of seeds to granivory. Alternatively, seed additions during the spring are likely to experience lower rates of seed predation.
Ämnesord och genrebeteckningar
- NATURVETENSKAP Geovetenskap och miljövetenskap hsv//swe
- NATURAL SCIENCES Earth and Related Environmental Sciences hsv//eng
- litter removal
- prairie restoration
- prescribed fire
- seed predation
- tallgrass prairie
- community structure
- foraging behavior
- plant litter
- restoration
- fire
- rodents
- establishment
- recruitment
- persistence
- limitation
- Environmental Sciences & Ecology
Biuppslag (personer, institutioner, konferenser, titlar ...)
- Henn, JonathanGothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences(Swepub:gu)xhennj (författare)
- Orrock, J. L. (författare)
- Damschen, E. I. (författare)
- Göteborgs universitetInstitutionen för biologi och miljövetenskap (creator_code:org_t)
Sammanhörande titlar
- Ingår i:Restoration Ecology: Wiley30:41061-29711526-100X
Internetlänk
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- Anderegg, G. C.
- Henn, Jonathan
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- Damschen, E. I.
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- Göteborgs universitet
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