Results 101 to 110 of about 25,665 (226)
Effects of a large irrigation reservoir on aquatic and riparian plants: a history of survival and loss [PDF]
Dammed rivers have unnatural stream flows, disrupted sediment dynamics, and rearranged geomorphologic settings. Consequently, fluvial biota experiences disturbed functioning in the novel ecosystems.
Aguiar, Francisca C. +3 more
core +1 more source
Stilbenoids in Lianas of Gnetum parvifolium.
Five new stilbene dimers were isolated from the lianas of Gnetum parvifolium in addition to known stilbenoids. The structures of the compounds were established on the basis of spectroscopic evidence, including long-range coupling and nuclear Overhauser effect experiments, in NMR spectrum.
T, Tanaka +11 more
openaire +3 more sources
Do fragment size and edge effects predict carbon stocks in trees and lianas in tropical forests? [PDF]
Summary Tropical forests are critical for protecting global biodiversity and carbon stores. While forest degradation and fragmentation cause negative impacts on trees, many woody lianas benefit, with associated negative effects on carbon storage.
Burnham K.P. +7 more
core +2 more sources
Abstract INTRODUCTION We standardized positron emission tomography (PET) data across multiple cohorts and tracers to characterize the frequency of amyloid and tau PET severity along the clinical continuum. METHODS Clinical stage was defined using cohort‐specific criteria and included cognitively unimpaired (CU), mild cognitive impairment (MCI), and ...
Karly A. Cody +21 more
wiley +1 more source
Abstract INTRODUCTION Diffusion‐weighted imaging derived mean diffusivity (MD) correlates with Alzheimer's disease (AD) biomarkers, yet its neuropathological correlates remain unclear. METHODS Diffusion‐weighted imaging, post mortem neuropathology, and cognitive performance data were obtained from the National Alzheimer's Coordinating Center (N = 97 ...
Zaki Alasmar +9 more
wiley +1 more source
The impact of lianas on tree regeneration in tropical forest canopy gaps: evidence for an alternative pathway of gap‐phase regeneration [PDF]
1 Regeneration in forest canopy gaps is thought to lead invariably to the rapid recruitment and growth of trees and the redevelopment of the canopy. Our observations, however, suggest that an alternate successional pathway is also likely, whereby gap ...
Carson, Walter P. +2 more
core +1 more source
Alzheimer's disease polygenic risk in early‐ and late‐onset Alzheimer's disease
Abstract INTRODUCTION The genetic basis of sporadic early‐onset Alzheimer's disease (EOAD) remains largely unknown, prompting evaluation of late‐onset Alzheimer's disease (LOAD) polygenic risk in EOAD. METHODS A LOAD polygenic score (PGS) was calculated in the Longitudinal Early‐onset Alzheimer's Disease Study (LEADS) and Alzheimer's Disease ...
Julian V. Pentchev +56 more
wiley +1 more source
The Dalbergia genus, a morphologically diverse group within the Fabaceae family, encompasses species of significant value in furniture production and medicinal and aromatic applications.
Jun Wang +4 more
doaj +1 more source
Se compara, entre 2 periodos de muestreos con 9 años de distancia entre sí, la riqueza y composición de especies que forman la comunidad de insectos inductores de agallas en el dosel del Parque Natural Metropolitano (PNM), un bosque seco tropical en la ...
Enrique Medianero +2 more
doaj +1 more source

