Results 11 to 20 of about 254,911 (299)

National Forest Inventory Contributions to Forest Biodiversity Monitoring [PDF]

Forest Science, 2012
Forests are the most biodiverse terrestrial ecosystems. National forest inventories (NFIs) are the main source of information on the status and trends of forests, but they have traditionally been designed to assess land coverage and the production value of forests rather than forest biodiversity.
CHIRICI, Gherardo, Mcroberts, R, Winter, S, Bertini, R, Brändli, U. b, Asensio, I.A., Bastrup birk, A, Rondeux, J, Barsoum, N, MARCHETTI, Marco   +9 more
openaire   +4 more sources

Instance segmentation of individual tree crowns with YOLOv5: A comparison of approaches using the ForInstance benchmark LiDAR dataset

ISPRS Open Journal of Photogrammetry and Remote Sensing, 2023
Fine-grained information on the level of individual trees constitute key components for forest observation enabling forest management practices tackling the effects of climate change and the loss of biodiversity in forest ecosystems.
Adrian Straker, Stefano Puliti, Johannes Breidenbach, Christoph Kleinn, Grant Pearse, Rasmus Astrup, Paul Magdon   +6 more
doaj   +1 more source

Spatial Structure, Biodiversity Indicators and Carbon Stocks of the Old-Growth Natural Forests in the Protected Areas of the Ukrainian Carpathians

Environmental Sciences Proceedings, 2022
Intensive management in European forests in the 20th century resulted in the substitution of the old-growth natural forests with plantations on vast territories.
Mykola Korol, Serhii Havryliuk, Olha Tokar, Mykola Gusti   +3 more
doaj   +1 more source

Harmonizing National Forest Inventories [PDF]

Forest Science, 2012
International agreements increasingly require that countries report estimates of national forest resources. The United Nations Framework Convention on Climate Change requires that countries submit annual reports of greenhouse gas emissions and removals by sources and sinks.
McRoberts, R.E., Tomppo, O.E., Schadauer, K., Ståhl, G.   +3 more
openaire   +1 more source

Mapping forest age using National Forest Inventory, airborne laser scanning, and Sentinel-2 data

Forest Ecosystems, 2020
Background The age of forest stands is critical information for forest management and conservation, for example for growth modelling, timing of management activities and harvesting, or decisions about protection areas.
Johannes Schumacher, Marius Hauglin, Rasmus Astrup, Johannes Breidenbach   +3 more
doaj   +1 more source

Estimation of Forest Growing Stock Volume with UAV Laser Scanning Data: Can It Be Done without Field Data?

Remote Sensing, 2020
Laser scanning data from unmanned aerial vehicles (UAV-LS) offer new opportunities to estimate forest growing stock volume ( V ) exclusively based on the UAV-LS data.
Stefano Puliti, Johannes Breidenbach, Rasmus Astrup   +2 more
doaj   +1 more source

National Forest Inventories capture the multifunctionality of managed forests in Germany [PDF]

Forest Ecosystems, 2021
Abstract Background Forests perform various important ecosystem functions that contribute to ecosystem services. In many parts of the world, forest management has shifted from a focus on timber production to multi-purpose forestry, combining timber production with the supply of other forest ecosystem services.
Nadja K. Simons, María R. Felipe-Lucia, Peter Schall, Christian Ammer, Jürgen Bauhus, Nico Blüthgen, Steffen Boch, François Buscot, Markus Fischer, Kezia Goldmann, Martin M. Gossner, Falk Hänsel, Kirsten Jung, Peter Manning, Thomas Nauss, Yvonne Oelmann, Rodica Pena, Andrea Polle, Swen C. Renner, Michael Schloter, Ingo Schöning, Ernst-Detlef Schulze, Emily F. Solly, Elisabeth Sorkau, Barbara Stempfhuber, Tesfaye Wubet, Jörg Müller, Sebastian Seibold, Wolfgang W. Weisser   +28 more
openaire   +9 more sources

Using next generation sequencing of alpine plants to improve fecal metabarcoding diet analysis for Dall’s sheep

BMC Research Notes, 2021
Objectives Dall’s sheep (Ovis dalli dalli) are important herbivores in the mountainous ecosystems of northwestern North America, and recent declines in some populations have sparked concern.
Kelly E. Williams, Damian M. Menning, Eric J. Wald, Sandra L. Talbot, Kumi L. Rattenbury, Laura R. Prugh   +5 more
doaj   +1 more source

Forest cover estimation in Ireland using radar remote sensing: a comparative analysis of forest cover assessment methodologies [PDF]

, 2015
Quantification of spatial and temporal changes in forest cover is an essential component of forest monitoring programs. Due to its cloud free capability, Synthetic Aperture Radar (SAR) is an ideal source of information on forest dynamics in countries ...
Barrett, Brian, Barrett, Frank, Bond-Lamberty, Ben, Devaney, John L., O`Halloran, John, Redmond, John   +5 more
core   +4 more sources

Longitudinal height-diameter curves for Norway spruce, Scots pine and silver birch in Norway based on shape constraint additive regression models

Forest Ecosystems, 2018
Background Generalized height-diameter curves based on a re-parameterized version of the Korf function for Norway spruce (Picea abies (L.) Karst.), Scots pine (Pinus sylvestris L.) and silver birch (Betula pendula Roth) in Norway are presented.
Matthias Schmidt, Johannes Breidenbach, Rasmus Astrup   +2 more
doaj   +1 more source