Search results for "luonnonsuojelualueet"

Contrasting Norway spruce disturbance dynamics in managed forests and strict forest reserves in Slovakia

2022

Abstract Forest disturbances are intensifying globally, yet regional drivers of these dynamics remain poorly understood. We investigated recent disturbance intensities in Norway spruce (Picea abies L.) forests in Slovakia (Central Europe) with different management objectives in 2000–2017 based on Landsat imagery. We focused on 122 strict reserves without any management, their actively managed surroundings (500 m and 2000 m buffers), and managed production forests beyond the buffer areas. We used generalized additive mixed models to test for differences in temporal trends of disturbance intensity among these management categories. We found that disturbance intensity was increasing in all man…

Assessing the Impact of Road and Land Use on Species Diversity of Trees, Shrubs, Herbs and Grasses in the Mountain Landscape in Southern Africa

2022

Mountain landscape, described as a global biodiversity hotspot due to high endemism, is threatened by land-use change, including management and modification of vegetation. However, there is little knowledge about how road and land use affect plant diversity in mountains landscapes, particularly in southern Africa. Previous studies have studied the impact of the road or land use on plant species diversity separately and have concentrated on a single plant species. Here we compare the plant diversity of regenerated trees, shrubs, herbaceous plant, and grasses among Forest, Fallow, Agriculture, and Road in the Moribane Forest Reserve (MFR), in Eastern Chimanimani Mountain landscape in Mozambiq…

Invasive catfish in northern Italy and their impacts on waterbirds

2022

Predatory fish have occasionally been observed preying on birds, sometimes repeatedly, but few studies were able to unravel the overall significance of avian prey in fish diet and the predation impacts on bird populations. We used a control/impact study setup, using a Nature Reserve in northern Italy and a nearby control area, to determine: 1) the contribution of waterbirds to wels catfish diet in the Reserve, 2) the population density of wels catfish in the Reserve and control area and 3) the potential impacts of waterbird depredation by wels catfish on waterbird population trends. Our stable isotope Bayesian mixing model indicated that birds contributed 12.2% (5–27.9%, 50% confidence inte…

Complex effects of natural disasters on protected areas

2022

It is now broadly recognised that in order to be sustainable, protected areas (PAs) must bring concrete benefits to local populations who suffer from the restrictions imposed for conservation. Natural disasters, such as major floods, bring additional challenges to conservation efforts and related support activities, notably nature-based tourism. Disasters often intensify conflicts between conservation objectives and local community needs, but they may also bring some mutual benefits. Reduced income from decreased nature-based tourism can, for example, lead to expansion of agricultural fields to protected forests, and subsequent land-use conflicts. Yet, disasters can also strengthen feelings…

Ekokuntia ja ökykuntia : tutkimuksia ympäristönhallinnan paikallisesta eriaikaisuudesta

1996

Osallistava suunnittelu Soiperoisen luonnonsuojelualueella

2001

On optimization in reserve selection

2006

Áreas protegidas e urbanização : o caso da APA da ilha do Combú, Belém-PA

2020

The paper seeks to answer two questions: what is the influence of the geographical location of the island of Combú in the metropolitan area of Belém, PA, and whether its current status as an Area of Environmental Protection (APA) has any impact on biodiversity and socioeconomic development? Similar to other riverside areas in the Amazon, Combú has a long history of involvement in the trade of extractive products. However, its geographical proximity to Belém and consequent access to markets made producers less dependent on intermediaries, while the ownership of resources was based on independent family units. Therefore, the dominant mode of caboclo extractivism, together with limited access …