Results 21 to 30 of about 328,196 (394)
FO-Definability of Shrub-Depth [PDF]
, 2020 Shrub-depth is a graph invariant often considered as an extension of tree-depth to dense graphs. We show that the model-checking problem of monadic second-order logic on a class of graphs of bounded shrub-depth can be decided by AC^0-circuits after a ...
Chen, Yijia
core +1 more source
Effects of habitat and land use on breeding season density of male Asian Houbara Chlamydotis macqueenii [PDF]
, 2016 Landscape-scale habitat and land-use influences on Asian Houbara Chlamydotis macqueenii (IUCN Vulnerable) remain unstudied, while estimating numbers of this cryptic, low-density, over-hunted species is challenging.
A Johnston +50 more
core +1 more source
EFFECT OF SOME FERTILIZATION TREATMENTS ON GROWTH AND CHEMICAL COMPOSITION OF OCHNA SERRULATA (HOCHST.) WALP. SHRUBS [PDF]
Scientific Journal of Flowers and Ornamental Plants, 2015 A set of pot experiments were conducted under saran house conditions (65% shade) at the Experimental Farm of the Hort. Res. Inst., ARC, Giza Egypt during 2013 and 2014 seasons in order to study the influence of two commercial liquid products, Vege Grow ...
Amal El-Fouly
doaj +1 more source
British Educational Research Journal, EarlyView., 2023 Abstract Early childhood has increasingly been acknowledged as a vital time for all children. Inclusive and quality education is part of the United Nations Sustainable Development Goals, with the further specification that all children have access to quality pre‐primary education.
Laura H. V. Wright +8 more
wiley +1 more source
Local variability in growth and reproduction of Salix arctica in the High Arctic
Polar Research, 2016 Arctic terrestrial ecosystems are heterogeneous because of the strong influences of microtopography, soil moisture and snow accumulation on vegetation distribution. The interaction between local biotic and abiotic factors and global climate patterns will
Noémie Boulanger-Lapointe +3 more
doaj +1 more source
Remote Sensing, 2020 Sagebrush-dominant ecosystems in the western United States are highly vulnerable to climatic variability. To understand how these ecosystems will respond under potential future conditions, we correlated changes in National Land Cover Dataset “Back-in ...
Christopher E. Soulard, Matthew Rigge
doaj +1 more source
Cold Hardiness of Grevillea in Western Oregon
HortTechnology, 2019 A cold hardiness evaluation of 57 cultivars and species of grevillea (Grevillea) was conducted from 2011 to 2014 in Aurora, OR, to assess landscape suitability in the Pacific Northwest United States.
Neil Bell +3 more
doaj +1 more source
Mineral Composition of Some Important Indigenous Savanna Forage Shrub Species in Ghana
Turkish Journal of Agriculture: Food Science and Technology, 2022 This study compared the forage quality of Cajanus cajan, Stylosanthes mucronata, Tephrosia purpurea, and Securinega virosa in the savanna ecological zone of Ghana.
Ziblim Abukari Imoro +2 more
doaj +1 more source
Phylogenetic structure and formation mechanism of shrub communities in arid and semiarid areas of the Mongolian Plateau [PDF]
, 2019 The mechanisms of species coexistence within a community have always been the focus in ecological research. Community phylogenetic structure reflects the relationship of historical processes, regional environments, and interactions between species, and ...
Dong, Lei +9 more
core +1 more source
Stoichiometric Ratios of Carbon, Nitrogen and Phosphorus of Shrub Organs Vary with Mycorrhizal Type
Agriculture, 2022 Mycorrhizal types are a predictive framework for nutrient cycling within and across ecosystems, and their types represent different nutrient-acquisition strategies for plants.
Shuang Yang +6 more
doaj +1 more source