نتایج جستجو برای: acorn

تعداد نتایج: 1128  

2015
Kyle A. Funk Walter D. Koenig Johannes M.H. Knops

Highly variable patterns of seed production (“masting”) have been hypothesized to be driven by internal dynamics of resource storage and depletion. This hypothesis predicts that if seed production is artificially reduced, then the availability of unused stored resources should result in subsequent enhancement of the seed crop.We tested this prediction in two oak species with contrasting pattern...

2009
WILLIAM J. MCSHEA

We examined movements and behavior of female white-tailed deer (Odocoileus virginianus) relative to the acorn mast-fall from 1986 through 1989 in a mature deciduous forest in Front Royal, Virginia. Ten white-tailed deer with radiotransmitters increased their home range to incorporate acorn-producing areas during mast-fall. Consumption of acorns by deer constituted ca. 50% of foraging time durin...

Journal: :Operative Techniques in Thoracic and Cardiovascular Surgery 2002

2017
Jon Adams Wenbo Peng Amie Steel Romy Lauche Craig Moore Lyndon Amorin-Woods David Sibbritt

OBJECTIVES The Australian Chiropractic Research Network (ACORN) practice-based research network (PBRN) cohort was established to provide sustainable infrastructure necessary to address lack of rigorous investigation and to bridge the research-practice gap focused on chiropractic care for future years. This paper presents the profile of chiropractors recruited to the ACORN PBRN, a nationally rep...

Journal: :The European respiratory journal 1997
S G Devadason M L Everard J M Linto P N Le Souëf

Attempts to improve drug delivery from conventional jet nebulizers have included the use of storage systems to reduce drug wastage during exhalation. Venturi nebulizers enhance drug delivery during inhalation, reducing treatment times and drug wastage. This study investigated the effect of age on inhaled dose from a conventional jet nebulizer (Acorn) used both with and without a storage chamber...

Journal: :Ecology 2016
Walter D Koenig Reyes Alejano Maria Dolores Carbonero Pilar Fernández-Rebollo Johannes M H Knops Teodoro Marañón Carmen M Padilla-Díaz Ian S Pearse Ignacio M Pérez-Ramos Javier Vázquez-Piqué Mario B Pesendorfer

Although the functional basis of variable and synchronous seed production (masting behavior) has been extensively investigated, only recently has attention been focused on the proximate mechanisms driving this phenomenon. We analyzed the relationship between weather and acorn production in 15 species of oaks (genus Quercus) from three geographic regions on two continents, with the goals of dete...

Journal: :Open Agriculture 2021

Abstract Morphology and structure of starch from fruits two acorns species, Quercus rotundifolia Lam. (QR) suber (QS), isolated by enzymatic (ENZ) alkaline (A3S) methods were studied. Acorn starches granules presented a round oval shape, consisting medium/small granules, with mean granule size ranging between 9 13 µm. Isolated acorn appear as light grayish-brown in naked eye, high values L * fo...

2010
Justin Chakma Hassan Masum Peter A Singer

BACKGROUND Incubators are organizations that support the growth of new and typically technology-based enterprises, by providing business support services that bring together human and financial capital. Although the traditional role of incubators has been for economic development, they may also be a useful policy lever to tackle global health, by fostering the development and delivery of local ...

1997
Stephen Marsh

The ACORN architecture is a multi-agent based information retrieval and provision system which uses the concept of ‘document as agent’ coupled with a community-based approach to information sharing. In the system, with the minimum of effort, users can expect to be provided with timely information on subjects in their areas of interest, whilst being able to search for information as they wish. T...

Journal: :The Veterinary record 1979
P M Dixon E A McPherson A C Rowland W Maclennan

Ten cows in a suckler herd totalling 60 sickened after grazing parkland which was heavily covered with acorns. Two died. The main clinical signs were dullness, anorexia and constipation. The main pathological findings were severe nephrosis and some intestinal ulceration. After removal to an acorn-free pasture, the remaining eight animals made a full recovery.

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