Green infrastructure maintenance is more than land cover: Large herbivores limit recruitment of key-stone tree species in Sweden

Angelstam, Per; Pedersen, Simen; Manton, Michael; Garrido, Pablo; Naumov, Vladimir; Elbakidze, Marine

doi:10.1016/j.landurbplan.2017.07.019

Cited by 20 publications

(12 citation statements)

References 60 publications

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“…However, intensified land management has also altered ecological processes, such as trophic interactions involving large herbivores and vegetation, and the cascading effects in the boreal forest [13,14]. Trophic interactions among predators and prey is another example that needs to be considered when analyzing the functionality of habitat networks for biodiversity conservation [15].…”

Section: Introductionmentioning

confidence: 99%

“…Studies on the effects of pattern and process affecting habitat network functionality require both large spatial extents, and study areas that mirror different levels of land use intensification. However, the implementation of land management policies and management strategies within a country often have similar outcomes among landscapes, which result in limited variation in land use and landcovers, and thus limited variation in habitat network functionality [13,14]. For this reason, including multiple study areas with different land management histories can be used to test hypotheses about species-habitat relationships (e.g., References [32,33]).…”

Section: Introductionmentioning

confidence: 99%

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Effects of Land Use Intensification on Avian Predator Assemblages: A Comparison of Landscapes with Different Histories in Northern Europe

2019

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Land use and landcover change alter the ability of habitat networks to maintain viable species populations. While their effects on the quality, amount and patterns of landcover patches are commonly studied, how they affect ecological processes, such as predation on focal species remains neglected. This macroecological study tests the hypothesis that predator assemblages are affected by land use intensity linked to different socio-economic contexts. We measured the distribution and abundance of two avian predator groups (generalist corvid birds and specialist raptors), and proxy variables that mirror their food resources, at three spatial scales in northern Europe’s West and East. In total, we made 900 survey counts for avian predators and their resources in six landcover strata throughout five landscapes and analyzed their relationships. The abundance of omnivorous corvid birds was associated with the number of anthropogenic food resources. Thus, corvid birds were most common in the urban and agricultural landcovers, and where forest cover was low. Corvid bird abundance, and availability of their resources, increased with increasing land use intensity. Raptors were less abundant than corvid birds and most common in semi-natural grasslands. The number of raptor species increased with decreasing land use intensity. This study shows that the abundance and composition of avian predator species must be understood to maintain functional habitat networks.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effects of Land Use Intensification on Avian Predator Assemblages: A Comparison of Landscapes with Different Histories in Northern Europe

2019

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“…Currently, 63% of the pine trees in young forests in Kronoberg are damaged by moose [40]. While the indirect effects of browsing on forest owners' tree species choice have been accounted for in this study, it would be valuable to incorporate functionality to also account for the direct effects, which include reduced production [95] and failure to recruit valuable broadleaved species [96,97]. Moreover, the incorporation of better and more advanced models (e.g., [94]) to predict the effects of future warming and climate change related risks in Heureka is a priority.…”

Section: Uncertainties and Improvementsmentioning

confidence: 99%

Combining Climate Change Mitigation Scenarios with Current Forest Owner Behavior: A Scenario Study from a Region in Southern Sweden

Lodin

Eriksson

Forsell

et al. 2020

Forests

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This study investigates the need for change of current forest management approaches in a southern Swedish region within the context of future climate change mitigation through empirically derived projections, rather than forest management according to silvicultural guidelines. Scenarios indicate that climate change mitigation will increase global wood demand. This might call for adjustments of well-established management approaches. This study investigates to what extent increasing wood demands in three climate change mitigation scenarios can be satisfied with current forest management approaches of different intensities in a southern Swedish region. Forest management practices in Kronoberg County were mapped through interviews, statistics, and desk research and were translated into five different management strategies with different intensities regulating management at the property level. The consequences of current practices, as well as their intensification, were analyzed with the Heureka Planwise forest planning system in combination with a specially developed forest owner decision simulator. Projections were done over a 100-year period under three climate change mitigation scenarios developed with the Global Biosphere Management Model (GLOBIUM). Current management practices could meet scenario demands during the first 20 years. This was followed by a shortage of wood during two periods in all scenarios unless rotations were reduced. In a longer timeframe, the wood demands were projected to be easily satisfied in the less ambitious climate change mitigation scenarios. In contrast, the demand in the ambitious mitigation scenario could not be met with current management practices, not even if all owners managed their production forests at the intensive extreme of current management approaches. The climate change mitigation scenarios provide very different trajectories with respect to future drivers of forest management. Our results indicate that with less ambitious mitigation efforts, the relatively intensive practices in the study region can be softened while ambitious mitigation might push for further intensification.

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“…Ungulates, including moose as the biggest cervid species, are important in boreal and non-boreal ecosystems. Moose have been demonstrated to be keystone species of the forests [81], but under high densities they destroy forest diversity, structure and functioning [82,83]. The impacts of browsing on the other species are mostly indirect, requiring the maintenance of favorable numbers of browsers, monitoring the size of their populations and using an adaptive management approach [84].…”

Section: Moose-related Problems: Why Is Management Necessary?mentioning

confidence: 99%

Moose Management Strategies under Changing Legal and Institutional Frameworks

2020

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Moose (Alces alces) management strategies in Lithuania, East Europe, were analyzed. The study was intended to show the (un)sustainability of the current management approach in relation to changes in hunting rules, hunting organization and development of the responsible administrative bodies. Moose population and bag dynamics were analyzed using I index in connected scatterplots and compound annual growth rates (CAGR). In 1962–2020, the CAGR of the moose population was 3.84%, resulting in a population size increase of nearly 10 times. The seesaw principle in moose management was confirmed, showing three periods of population decrease (1973–1977, 1989–1995, 2000–2005), and two periods of hunting bag decrease (1976–1978 and 1990–1993). All decline phases were related to legal and administrative issues in the country. Since 2006, population growth has not been controlled. Lithuania has no long-term strategy of the moose population management at any administrative level. The current management approach is not sustainable, as it has not ensured long-term stability of the moose population. The current continuous growth of population, followed by only a moderate increase in the hunting bag, is related to the possibility for owners to adopt long-term planning of the hunting plot units.

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Green infrastructure maintenance is more than land cover: Large herbivores limit recruitment of key-stone tree species in Sweden

Cited by 20 publications

References 60 publications

Effects of Land Use Intensification on Avian Predator Assemblages: A Comparison of Landscapes with Different Histories in Northern Europe

Effects of Land Use Intensification on Avian Predator Assemblages: A Comparison of Landscapes with Different Histories in Northern Europe

Combining Climate Change Mitigation Scenarios with Current Forest Owner Behavior: A Scenario Study from a Region in Southern Sweden

Moose Management Strategies under Changing Legal and Institutional Frameworks

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