نتایج جستجو برای: litter chemical composition

تعداد نتایج: 610264  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2015
Marco Keiluweit Peter Nico Mark E Harmon Jingdong Mao Jennifer Pett-Ridge Markus Kleber

Litter decomposition is a keystone ecosystem process impacting nutrient cycling and productivity, soil properties, and the terrestrial carbon (C) balance, but the factors regulating decomposition rate are still poorly understood. Traditional models assume that the rate is controlled by litter quality, relying on parameters such as lignin content as predictors. However, a strong correlation has ...

Journal: :Animal : an international journal of animal bioscience 2007
N Devillers C Farmer J Le Dividich A Prunier

Colostrum yield and composition of 40 Landrace×Large White sows were determined from the onset of parturition until 24 h post partum. Colostrum yield was calculated by adding individual piglets' colostrum intakes for each litter. Colostrum was assayed for prolactin, progesterone, oestradiol-17β, immunoglobulin G and its nutritional composition was determined. Piglets' individual colostrum intak...

Fire ash contains essential nutrients that play an important role in the forest by changing soil properties. The goal of this study was to investigate the physical and chemical properties of ash from burning litter and branches of Aleppo oak (Quercus infectoria Oliv.). Litter and dried branches with a diameter of less than 2 and 2-5 cm were collected under the canopy of eight oak trees in Dezli...

Journal: :Marine pollution bulletin 2014
C Ioakeimidis C Zeri H Kaberi M Galatchi K Antoniadis N Streftaris F Galgani E Papathanassiou G Papatheodorou

In the present work, abundance, spatial distribution and qualitative composition, of benthic marine litter, were investigated in five study areas from the Eastern Mediterranean and Black Seas (Saronikos, Patras and Echinades Gulfs; Limassol Gulf; Constanta Bay). Surveys were performed using the monitoring protocol proposed by the Technical Group for Marine Litter. Densities ranged from 24items/...

Forest fragmentation results in a loss of forest interior and an increase in edge habitat. We studied how understorey bird community composition and habitat variables changed along an edge-to-interior gradient in a 1248-ha lowland rainforest patch in peninsular Malaysia. Birds and environmental variables such as vegetation structure and litter depth were detected within a 25-m radius of each of...

2014
Karolína Bílá Marco Moretti Francesco Bello André TC Dias Gianni B Pezzatti Arend Raoul Van Oosten Matty P Berg

RECENT INVESTIGATIONS HAVE SHOWN THAT TWO COMPONENTS OF COMMUNITY TRAIT COMPOSITION ARE IMPORTANT FOR KEY ECOSYSTEM PROCESSES: (i) the community-weighted mean trait value (CWM), related to the mass ratio hypothesis and dominant trait values in the community, and (ii) functional diversity (FD), related to the complementarity hypothesis and the divergence of trait values. However, no experiments ...

Journal: :فصلنامه علمی پژوهشی گیاهان دارویی 0
l alavi department of chemistry, k. n. toosi university of technology m barzegar department of food science and technology, tarbiat modares university, p.o.box: 14115 - 336, tehran, iran tel: + 98 – 21 – 48292323; fax: + 98 – 21 – 48292200 a jabbari department of chemistry, k. n. toosi university of technology h naghdi badi department of cultivation and development, institute of medicinal plants, acecr

background: in recent years, natural products, especially natural antioxidants, play an important role in various fields. in fact, lippia citriodora is one of the medicinal plants which is cultivated in iran and it may be has potential antioxidant activity. objective: the chemical composition of lippia citriodora essential oil (lceo) has been determined. the total phenolic content and antioxida...

Journal: :journal of medicinal plants and by-products 0

the genus boswellia is one of the 17 genera belonging to burseraceae family. in this study resin of boswellia carteri birdwoodcollected or purchased from tehram herbal market as a food and non-food for chemical analysis. the essential oils of the resins of boswellia carteri birdwoodobtained by different methods of distillation (water distillation, steam distillation and hydro-steam distillation...

Journal: :پژوهش های علوم و صنایع غذایی ایران 0
g.h. radmard ghadiri a. kalbasi oshtari

fruit leather is one of dried product with variable production, good marketing and popular consumption in many countries of the world. in this research, the effect of concentration temperature (55-75 °c) and time (20-40 min) and drying temperature (40-70 °c) on the chemical composition (brix, ph, sugars and vitamin c) and the microbial properties of apple leather investigated. the results showe...

Journal: :avicenna journal of phytomedicine 0
emad khalilzadeh division of physiology, department of basic science, faculty of veterinary medicine, university of tabriz, tabriz, i.r.iran. gholamreza vafaei saiah division of physiology, department of basic science, faculty of veterinary medicine, university of tabriz, tabriz, i.r.iran. hamideh hasannejad division of physiology, department of basic science, faculty of veterinary medicine, university of tabriz, tabriz, i.r.iran. adel ghaderi division of physiology, department of basic science, faculty of veterinary medicine, university of tabriz, tabriz, i.r.iran. shahla ghaderi division of physiology, department of basic science, faculty of veterinary medicine, university of tabriz, tabriz, i.r.iran. gholamreza hamidian division of histology, department of basic science, faculty of veterinary medicine, university of tabriz, tabriz, i.r.iran.

objective: vitex agnus-castus (vac) and its essential oil have been traditionally used to treat many conditions and symptoms such as premenstrual problems, mastalgia, inflammation, sexual dysfunction, and pain. in this study, the effects of essential oil extracted from vitex agnus-castus (eovac) leaves were investigated in three behavioral models of nociception in adult male wistar rats. materi...

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