Managing landscapes for multiple objectives: Alternative forage can reduce the conflict between deer and forestryShow others and affiliations
2014 (English)In: Ecosphere, ISSN 2150-8925, E-ISSN 2150-8925, Vol. 5, no 8Article in journal (Refereed) Published
Abstract [en]
Deer (Cervidae) cause considerable damage to forest plantations, crops, and protected habitats. The most common response to this damage is to implement strategies to lower population densities. However, lowering deer density may not always be desirable from hunting, recreational, or conservation perspectives. Therefore, knowledge is needed about additional factors beyond deer density that affect damage levels, and management actions that consider competing management goals. We studied the relationships between levels of bark-stripping by red deer (Cervus elaphus) on Norway spruce (Picea abies) and (1) relative deer density indices (pellet group count and deer harvest data), (2) availability of alternative natural forage (cover of forage species) and (3) proportion forest in the landscape, both at a forest stand scale and at a landscape scale. Extensive variation in damage level was evident between the six study areas. On a stand scale, the proportion of spruce damaged was positively related to pellet group density, indicating the importance of local deer usage of stands. In addition, available alternative forage in the field layer within spruce stands and proportion forest surrounding stands was negatively related to damage level. On the landscape scale, damage level was negatively related to availability of forage in the field and shrub layers and proportion forest, but was not related to any of the relative deer density indices. Increasing alternative forage may thus decrease damage and thereby reduce conflicts. Additionally, the proportion of forest in the landscape affects damage levels and should thus be considered in landscape planning and when forecasting damage risk. The relationship between local deer usage of stands and damage level suggests that future studies should try to separate the effects of local deer usage and deer density. © 2014 Jarnemo et al.
Place, publisher, year, edition, pages
Washington: Ecological Society of America , 2014. Vol. 5, no 8
Keywords [en]
Cervus elaphus, Deer management, Forest damage, Habitat fragmentation, Land use conflicts, Landscape structure, Large herbivores, Norway spruce, Picea abies, Red deer Ungulates
National Category
Zoology Ecology
Identifiers
URN: urn:nbn:se:hh:diva-35382DOI: 10.1890/ES14-00106.1ISI: 000345096900004Scopus ID: 2-s2.0-84924342384OAI: oai:DiVA.org:hh-35382DiVA, id: diva2:1157099
2017-11-152017-11-152017-11-15Bibliographically approved