Results 11 to 20 of about 1,231 (123)
THE EXPLAINABILITY OF GRADIENT-BOOSTED DECISION TREES FOR DIGITAL ELEVATION MODEL (DEM) ERROR PREDICTION [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2023 Gradient boosted decision trees (GBDTs) have repeatedly outperformed several machine learning and deep learning algorithms in competitive data science.
C. Okolie +6 more
doaj +1 more source
Quantifying Topographic Ruggedness Using Principal Component Analysis
Advances in Civil Engineering, 2021 The development of geospatial technologies has opened a new era in terms of data collection techniques and analysis procedures. Digital elevation models as 3D visualization of the Earth’s surface have many mapping and spatial analysis applications.
Maan Habib
doaj +1 more source
Quantitative Analysis of Terrain Ruggedness in Reindeer Winter Grounds [PDF]
ARCTIC, 1995 We report a distinct terrain structure in high-use portions of reindeer (Rangifer tarandus tarandus) winter grounds for two regions within Norway. A new index of terrain ruggedness based on topographic maps was used for analyzing terrain structure within historic high- and low-use portions of wintering areas.
Christian Nellemann, Gareth Fry
openaire +1 more source
Communications Biology, 2023 Sex-specific differences in habitat selection and space use are common in ungulates. Yet, it is largely unknown how this behavioral dimorphism, ultimately leading to sexual segregation, translates to population-level patterns and density gradients across
Hendrik Edelhoff +7 more
doaj +1 more source
DTM models to enhance planning of timber harvesting [PDF]
Glasnik Šumarskog Fakulteta: Univerzitet u Beogradu, 2015 This paper studies the applicability of DTM with the resolution of 4 × 4 m for the analysis of macro-topographic factors (terrain slope, aspect, terrain ruggedness index) and one part of micro-topographic factors (occasional and constant streams)
Đuka Andreja +2 more
doaj +1 more source
Heading for the hills: risk avoidance drives den site selection in African wild dogs.
PLoS ONE, 2014 Compared to their main competitors, African wild dogs (Lycaon pictus) have inferior competitive abilities and interspecific competition is a serious fitness-limiting factor.
Craig R Jackson +7 more
doaj +1 more source
Downscaling surface wind predictions from numerical weather prediction models in complex terrain with WindNinja [PDF]
Atmospheric Chemistry and Physics, 2016 Wind predictions in complex terrain are important for a number of applications. Dynamic downscaling of numerical weather prediction (NWP) model winds with a high-resolution wind model is one way to obtain a wind forecast that accounts for local ...
N. S. Wagenbrenner +4 more
doaj +1 more source
Frontiers in Marine Science, 2021 Coral reefs are the most biodiverse ecosystems on earth and are presently experiencing severe declines globally. Shallow coral reef ecosystems (<30 m) have been studied extensively while mesophotic coral ecosystems (MCE) are poorly studied.
Melissa Mayorga-Martínez +4 more
doaj +1 more source
Endangered Species Research, 2021 Effective conservation, particularly of threatened species, requires an understanding of both abiotic and biotic drivers of distribution. In the case of one of Africa’s most endangered mammals, the riverine rabbit Bunolagus monticularis, only ...
Z Woodgate, G Distiller, MJ O’Riain
doaj +1 more source
Escaping Neobiota: Habitat use and avoidance by sloth bears in Jessore Sloth bear Sanctuary India
Trees, Forests and People, 2023 Global terrestrial ecosystem is threatened by several factors, such as infestation of invasive plants, which influence the habitat use by wildlife. Prosopis juliflora is such a plant species, sprawled over arid and semiarid ecosystems in India.
Jignesh Rot +3 more
doaj +1 more source