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View article: Deer Browsing Increases Stem Slenderness and Crown Irregularity and Modifies the Effects of Light Gradients on Architecture of Forest Tree Saplings
Deer Browsing Increases Stem Slenderness and Crown Irregularity and Modifies the Effects of Light Gradients on Architecture of Forest Tree Saplings Open
Browsing by ungulates is commonly assumed to target the upper parts of sapling crowns, leading to reduced vertical growth or even growth cessation. However, the extent to which browsing induces shifts in resource allocation toward lateral …
Ungulate browsing patterns and forage abundance determine the regeneration of palatable tree species: Using new perspectives in assessing ungulate browsing pressure in temperate forests Open
Herbivorous ungulates are vital elements of forest ecosystems, yet their impact on tree regeneration and forest dynamics is challenging to assess. Despite their significant influence, few studies measure browsing pressure independently of …
Influence of Soil Quality on the Browsing Intensity of Ungulate Herbivores on Tree Species in European Forests Open
The impact of ungulate browsing on tree saplings has been found to have a negative effect on the regeneration of temperate forests. However, it remains ambiguous whether a relationship exists between browsing intensity and soil quality in …
Do reproductive crown architecture of subalpine rowan (Sorbus aucuparia L.) differ with canopy openness? Open
Trait multi-functionality sets individual traits sub-optimal for specific functions \cite{Sack_2019}. Whole-tree size structural traits are typically multi-functional \cite{Poorter_2003} and may be both polygenic and pleiotropic \cite{Farn…
Relatives reproduce in synchrony: kinship and individual condition shape intraspecific variation in masting phenotype Open
Masting (synchronous and interannually variable seed production) is frequently called a reproductive strategy; yet it is unclear whether the reproductive behaviour of individuals has a heritable component. To address this, we used 22 years…
Allometric scaling models for tree saplings: Assessing potential fodder for ungulate herbivores Open
Knowledge of the quantity of twig dry mass (available fodder) of saplings is crucial for understanding tree recruitment under wild ungulate browsing pressure in forest ecosystems. Therefore, this study aimed to develop allometric equations…
Impact of non-native tree species in Europe on soil properties and biodiversity: a review Open
In the context of global change, the integration of non-native tree (NNT) species into European forestry is increasingly being discussed. The ecological consequences of increasing use or spread of NNTs in European forests are highly uncert…
Emerging infectious disease triggered a trophic cascade and enhanced recruitment of a masting tree Open
There are several mechanisms that allow plants to temporarily escape from top-down control. One of them is trophic cascades triggered by top predators or pathogens. Another is satiation of consumers by mast seeding. These two mechanisms ha…
Closer-to-Nature Forest Management Open
Closer-to-Nature Forest Management 3. Use adaptive management as a way to tackle uncertainties: We need to regularly monitor forest responses to management interventions, evaluate these responses and adjust management strategies accordingl…
Closer-to-Nature Forest Management Open
Closer-to-Nature Forest Management is a new concept proposed in the EU Forest Strategy for 2030, which aims to improve the conservation values and climate resilience of multifunctional, managed forests in Europe. Building on the latest sci…
Effects of forest stand structure on population of endangered orchid species Cypripedium calceolus L. Open
Lady's slipper orchid (Cypripedium calceolus L.) has suffered a dramatic decline and is one of the most endangered orchid species in Europe. It grows mainly on calcareous soils in deciduous and mixed forests. Although numerous studies have…
Drainage ditches enhance forest succession in a raised bog but do not affect the spatial pattern of tree encroachment Open
The study was conducted in the raised bog Kusowo (Baltic region, West Pomerania, Poland). Along a transect line crossing two open mires affected by forest succession we analysed tree age distribution. One of those mires had been drained in…
Role of environmental filtering and seed source availability in natural regeneration processes following large-scale disturbances in mountain forests Open
The relative importance of environmental factors and species pool in natural regeneration processes is still intensively disputed. Is environmental filtering especially important for species with higher requirements for temperature and soi…
Biotic threats references Open
This file provides the full reference information for the references of the biotic threats database.
Data for: Drainage ditches enhance forest succession in a raised bog but do not affect the spatial pattern of tree encroachment Open
http://www.forestdatabase.zbl.edu.pl/index.php?option=com_content&view=article&id=20:drainage-ditches-enhance-forest-succession-in-a-raised-bog-but-do-not-affect-the-spatial-pattern-of-tree-encroachment&catid=9&Itemid=142
Biotic threats dataset Open
The database consists of 28 columns: ID, NNT (non-native tree species), COUNTRY (for which the data are provided), ORGANISM_GROUP, ORDER, FAMILY, GENUS, NAME (scientific name), AUTHOR (author of the scientific name), ORIGIN (continent of o…
View article: Mapping the patchy legislative landscape of non-native tree species in Europe
Mapping the patchy legislative landscape of non-native tree species in Europe Open
Europe has a history rich in examples of successful and problematic introductions of trees with a native origin outside of Europe (non-native trees, NNT). Many international legal frameworks such as treaties and conventions and also the Eu…
The structure of forest stands in the Tatra National Park: The results of 2016–2017 inventory Open
The composition and structure of forest stands in the Tatra National Park were examined using data gathered in 2016 and 2017 from 617 circular sample plots (0.05 ha each). The diameter at breast height of all living trees, standing dead tr…
Single-image photogrammetry for deriving tree architectural traits in mature forest stands: a comparison with terrestrial laser scanning Open
Key message We compared two methods for detailed individual tree measurements: single image photogrammetry (SIP), a simplified, low-cost method, and the state-of-the-art terrestrial laser scanning (TLS). Our results provide evidence that S…
View article: Increasing understanding of alien species through citizen science (Alien-CSI)
Increasing understanding of alien species through citizen science (Alien-CSI) Open
There is no sign of saturation in accumulation of alien species (AS) introductions worldwide, additionally the rate of spread for some species has also been shown to be increasing. However, the challenges of gathering information on AS are…
Plant communities of the Czerwona Woda River Valley (Stołowe Mountains National Park) Open
The Czerwona Woda River is the main watercourse in the Stołowe Mountains National Park and drains the major part of the Stołowe Mts. It was regulated in the past, but its channel has been spontaneously naturalised. Now, managed spruce fore…
Sąsiedztwo i następstwo gatunków drzew w Białowieskim Parku Narodowym Open
The diversity and sustainability of species composition are important topic of forest research. The possibility to observe the coexistence of tree species in a given forest patch and their succession in the next generation is limited becau…
Picea abies natural regeneration dataset Open
There are two datasets in this repository:1. plots - it covers densities of natural P. abies regeneration, distance from river, DIFN (light availability) and soil pH 2. Vegetation - abundances of understory plant species within plots All d…
Tree architecture description using a single-image photogrammetric method Open
Tree architecture is thought to allow species to share available resources both above and below ground.The description of plant architecture is useful to model plant structure and function, as well as interactions with other species or gen…