Environmental determinants of the old oaks in wood-pastures from a changing traditional social–ecological system of Romania

Moga, Cosmin Ioan; Samoilă, Ciprian; Öllerer, Kinga; Băncilă, Raluca Ioana; Réti, Kinga-Olga; Craioveanu, Cristina; Poszet, Szilárd; Rákosy, László; Hartel, Tibor

doi:10.1007/s13280-015-0758-1

Cited by 28 publications

(28 citation statements)

References 34 publications

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“…This favours scattered, but continuous regeneration of Q. robur, developing open, savannah-like stands (Ziobro et al 2016). Despite these positive effects, we call for caution in the use of fire, especially when this is done as a substitute of grazing and other traditional activities aiming to maintain the open character of wooded landscapes (Ö llerer 2014; Moga et al 2016). …”

Section: Fire a Neglected Factormentioning

confidence: 99%

Seeing the oakscape beyond the forest: a landscape approach to the oak regeneration in Europe

2018

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Context Intensification and specialisation of agriculture and forest use has led to profound structural and compositional changes in European landscapes. In particular, sharp, narrow edges adjacent to relatively homogenous vegetation types progressively replace transitional habitats, crucial for a plethora of species and ecological processes. Quercus robur and Q. petraea regeneration niches make them best adapted to such transitional habitats. However, contemporary oaks' importance, including their regeneration, is usually considered within limits of forest habitats. Objective Defining habitats, landscape patterns and processes fostering oak regeneration and 'oakscape' development. Methods We assessed the state-of-the art of the topical literature with respect to various aspects of oak regeneration based on a refined list of 234 titles from the Web of Science database. Results The review confirmed that the vast majority of studies focus on forest habitats, disregarding the fact that substantial part of acorns are being carried away and seeded by birds in non-forest habitats. Conclusions The common acceptance of the simplistic landscape mosaic model, based on segregated homogenous vegetation categories and clear-cut lines separating patches, impedes proper assessment of landscape changes, referring to 'untypical', transitional habitats-the true oaks' domain. Hence, restoring and sustaining European 'oakscape' should result from the overall landscape management, based on a better adapted gradient approach to landscape studies. Applying such an approach, we identified a set of habitats fostering successful oak regeneration and recruitment without direct human support, contributing to the contemporary 'oakscape', represented mostly by non-forest, either natural or anthropogenic habitats.

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Section: Fire a Neglected Factormentioning

confidence: 99%

Seeing the oakscape beyond the forest: a landscape approach to the oak regeneration in Europe

2018

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“…Scattered trees are conspicuous elements in many terrestrial landscapes world-wide and have been considered to be "keystone structures" for biodiversity (Gibbons et al, 2008;Manning, Fischer, & Lindenmayer, 2006;Moga et al, 2016). These trees occur in natural areas (e.g.…”

Section: Introductionmentioning

confidence: 99%

The importance of scattered trees for biodiversity conservation: A global meta‐analysis

Prevedello

Almeida‐Gomes

Lindenmayer

2017

Journal of Applied Ecology

120

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Scattered trees are thought to be keystone structures for biodiversity in landscapes world‐wide. However, such trees have been largely neglected by researchers and their importance for biodiversity remains unclear. We completed a global meta‐analysis to quantify relationships between scattered trees and the species richness, abundance and composition of vertebrates, arthropods and plants. First, we tested whether areas near scattered trees support higher levels of species richness and abundance than nearby open areas. Second, we compared levels of species richness and abundance in matrix areas with scattered trees and areas embedded within nearby habitat patches. We also compared the composition of biological communities inhabiting habitat patches, open areas and areas with scattered trees. A total of 62 studies contained suitable data for our quantitative analyses. The local abundance of arthropods, vertebrates and woody plants was 60%–430% greater and overall species richness was 50%–100% higher in areas with scattered trees than in open areas. Conversely, for herbaceous plants, there was no consistent relationship between species abundance and the occurrence of scattered trees, although species richness was, on average, 43% lower. The abundance and richness of all taxonomic groups was similar in matrix areas supporting scattered trees and habitat patches, although the species richness of epiphytes was, on average, 50% higher in habitat patches. Communities inhabiting habitat patches were more similar in composition to the communities inhabiting areas with scattered trees, and less similar to the communities of open areas. Synthesis and applications. Areas with scattered trees support greater levels of biodiversity than open areas, as well as communities that are more similar to those inhabiting habitat patches. Scattered trees can be regarded as keystone structures for vertebrates, arthropods and terrestrial plants in landscapes world‐wide. The maintenance of scattered trees may be compatible with livestock grazing in some agricultural landscapes. Greater management effort and targeted, long‐term policies are needed to retain or re‐establish scattered trees in many farming landscapes in both forest and non‐forest biomes around the world.

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“…These stories were collected and shared on social media platforms (facebook, T. Hartel), and served as motivation for local initiatives to identify the tree and include it into the touristic destinations of the commune (Hartel, 2008). Furthermore, Moga et al (2016) presents the case of the second largest oak from Romania, which was discovered by an educational activity and then formally protected, being now part of the cultural identity of the commune of Mercheasa (Box 1 in Moga et al, 2016).…”

Section: Discussionmentioning

confidence: 99%

“…While the civil societies are actively engaged in large old tree inventory and popularization in Western Europe, we only found few initiatives where local NGO’s mobilized local communities for large old tree protection (see e.g. Box 1 in Moga et al, 2016, Hartel, 2018, this paper). Our internet news research suggests that people may be open for such activities and they are concerned about the fate of their large old trees.…”

Section: Conclusion: Implications For Science Policy and Local Initmentioning

confidence: 94%

“…Since then, references on large old trees have been made in various publications (e.g. Pop and Sălăgeanu, 1965, Giurescu, 1975, Mohan et al, 1993, Bolea et.al., 2013a, Popa, 2016, Nădi□an and Bârda, 2016, Bolea, 2017, Moga et al, 2016, Hartel et al, 2018, Vasile et al, 2019). This is the first holistic systematic knowledge review on the large old trees from Romania.…”

Section: Introductionmentioning

confidence: 97%

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Holistic assessment of large old trees: a framework and its application for Romania

Arghiuş

Maloş

Măcicășan

et al. 2020

Preprint

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Large old trees are keystone ecological structures and have exceptional sociocultural values. Still, holistic approaches to national assessments of large old trees are scarse in the scientific literature. Here we propose and apply a holistic framework to understand the distribution of large old trees, the formal regulations targeting the conservation of large old trees and the ways large old trees are present in the popular news in Romania. There were 4032 large old tree records in Romania most of the records being concentrated in the Central and North-Western part of Romania. The number of tree records decreases with the decreasing terrain accessibility. Almost 50% of the large old tree records are in areas not covered by nature conservation regulations and 2/3 of the terrestrial protected areas have no open access large old tree records, so far. We identified five formal regulations which could be relevant for large old tree conservation in Romania, however, only two of these explicitly targets large old trees. The lack of knowledge and interest, the lack of expertize, institutional capacity, vested interests (corruption) and inconsistencies within the regulations are the major barriers in the formal protection of large old trees. We also identified several opportunities for the local initiatives to protect large old trees, based on the current legislative frameworks. We identified 259 internet news targeting large old trees in Romania which reveals a wide range of values and concerns associated to large old trees at the level of the local communities. While discussing our results we highlight the benefits of a wider adoption of our approach for science, decision making and local initiatives to save large old trees.

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Environmental determinants of the old oaks in wood-pastures from a changing traditional social–ecological system of Romania

Cited by 28 publications

References 34 publications

Seeing the oakscape beyond the forest: a landscape approach to the oak regeneration in Europe

Seeing the oakscape beyond the forest: a landscape approach to the oak regeneration in Europe

The importance of scattered trees for biodiversity conservation: A global meta‐analysis

Holistic assessment of large old trees: a framework and its application for Romania

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