Results 111 to 120 of about 371,257 (337)
Journal of Plant Nutrition and Soil Science, EarlyView.ABSTRACT Background The acidic weathering of soils is known as a problem for decades. It leads to the deterioration of essential soil properties, including soil fertility, water, or cation buffering capacity due to solution and solid storage of Al3+ by polymerization in the interlayer of (former) swellable clay minerals.
Jan Dietel +4 more
wiley +1 more source
Plant architectural and genetic diversities in Coffea native from Madagascar : Towards an architectural-functional plant growth model applied to Coffea biodiversity perservation [PDF]
, 2011 The Coffea genus includes 103 species with 53 endemic to Madagascar (namely Mascarocoffea).The three main centres of species diversity for coffee trees are Madagascar (naturally low-caffeine species), Cameroon and Tanzania.
Andrianasolo, Domohina Noromalala +5 more
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The Cogne magnetite deposit (Western Alps, Italy): a Jurassic seafloor ultramafic-hosted hydrothermal system? [PDF]
, 2017 The Cogne magnetite deposit (Western Alps, Italy) is the largest in a series of apatite and sulphide-free magnetite orebodies that are hosted in serpentinites belonging to western Alpine ophiolitic units.
Toffolo, Luca
core +1 more source
A Middle and Late Devensian sequence from the northern part of Kents Cavern (Devon, UK)
Journal of Quaternary Science, EarlyView.Abstract 1920s/30s excavation of a Middle Devensian sequence in the northern part of Kents Cavern recovered important Late Middle and Early Upper Palaeolithic archaeological material, including Britain's oldest known Homo sapiens remains. Questions remain about this material, including how it came to be in the cave.
Rob Dinnis +11 more
wiley +1 more source
Plant-Environment InteractionsHigh‐altitude wetlands of the Andes (HAWA) are unique ecosystems influenced by substrate conditions and reliant on consistent water supply from precipitation, runoff, groundwater, and glacial melting.
Dariel López +5 more
doaj +1 more source
Doctor without borders : he's a physician who covers huge stretches of rural Texas -- and whose work provides key lessons about the fate and future of rural health care in America [PDF]
, 2014 textDr. Jim Luecke, a rural family physician in Alpine, Texas, is one of six doctors responsible for thousands of patients across a sprawling 25,000 square foot remote region of the state.
Garcia-Ditta, Alexa Nicole 1986-
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Journal of Quaternary Science, EarlyView.ABSTRACT Des‐Cubierta Cave, part of the Calvero de la Higuera complex, is situated in the intramountainous upper valley of the Lozoya River within the Guadarrama Range. The cave's geological, palaeontological, and archaeological record reveals a complex history of sedimentary and anthropogenic processes spanning hundreds of thousands of years ...
David Manuel Martín‐Perea +19 more
wiley +1 more source
EcosphereThe processes that influence community assembly, such as competition for resources and environmental filtering, are often scale dependent and vary across ecotones.
Jillian K. Schat +5 more
doaj +1 more source