نتایج جستجو برای: premix and coco peat

تعداد نتایج: 16829268  

2016
Michelle Downie Gary Kilov Jencia Wong

The progressive nature of type 2 diabetes (T2D) often results in the need for initiation and subsequent intensification of insulin treatment to achieve glycemic control. The aim of this review is to examine published clinical evidence that has directly compared two recommended treatment approaches in patients with T2D: (1) a 'basal plus' regimen, whereby 1-2 injections of prandial insulin are a...

2015
David R. Elliott Simon J. M. Caporn Felix Nwaishi R. Henrik Nilsson Robin Sen

The UK hosts 15-19% of global upland ombrotrophic (rain fed) peatlands that are estimated to store 3.2 billion tonnes of carbon and represent a critical upland habitat with regard to biodiversity and ecosystem services provision. Net production is dependent on an imbalance between growth of peat-forming Sphagnum mosses and microbial decomposition by microorganisms that are limited by cold, acid...

2016
R. M. Wilson A. M. Hopple M. M. Tfaily S. D. Sebestyen C. W. Schadt L. Pfeifer-Meister C. Medvedeff K. J. McFarlane J. E. Kostka M. Kolton R.K. Kolka L. A. Kluber J. K. Keller T. P. Guilderson N. A. Griffiths J. P. Chanton S. D. Bridgham P. J. Hanson

Peatlands contain one-third of soil carbon (C), mostly buried in deep, saturated anoxic zones (catotelm). The response of catotelm C to climate forcing is uncertain, because prior experiments have focused on surface warming. We show that deep peat heating of a 2 m-thick peat column results in an exponential increase in CH4 emissions. However, this response is due solely to surface processes and...

2001
Zicheng Yu Ian D. Campbell Dale H. Vitt Michael J. Apps

This article reviews the existing conceptual and simulation models for peatlands and develops a model framework for simulating peatland dynamics in boreal regions. Clymo’s peat bog growth model has been used as the conceptual foundation in published simulation models, but in these models the structural and functional layers of litter, acrotelm and catotelm are not dynamically integrated. Organi...

Journal: :Journal of environmental quality 2003
Shabnam Qureshi Brian K Richards Murray B McBride Philippe Baveye Tammo S Steenhuis

Due to geochemical processes, peat soils often have elevated concentrations of trace elements, which are gradually released following drainage for agriculture. Our objectives were to use incubation temperatures to vary microbial activity in two metalliferous peats (M7 acidic peat and M3 neutral peat) from the Elba, New York region, and to use periodic leaching to assess the extent of trace elem...

2013
Fabián H. Acuña Agustín Garese Adriana C. Excoffon Jorge Cortés

Despite being important components in coastal marine systems, sea anemones have been poorly studied on both coasts of Costa Rica. In this paper new records of sea anemones are mentioned for the Caribbean and Pacific coasts of Costa Rica and the Isla del Coco National Park. Additionally, the presence of other species previously recorded in Costa Rica based on single observations or photos, is re...

2017
Siti Noor Shuhada Sabiha Salim Frisco Nobilly Akbar Zubaid Badrul Azhar

Intensive land expansion of commercial oil palm agricultural lands results in reducing the size of peat swamp forests, particularly in Southeast Asia. The effect of this land conversion on macrofungal biodiversity is, however, understudied. We quantified macrofungal biodiversity by identifying mushroom sporocarps throughout four different habitats; logged peat swamp forest, large-scale oil palm...

Journal: :Applied and environmental microbiology 2001
S B Ranneklev E Bååth

The temperature-driven adaptation of the bacterial community in peat was studied, by altering temperature to simulate self-heating and a subsequent return to mesophilic conditions. The technique used consisted of extracting the bacterial community from peat using homogenization-centrifugation and measuring the rates of thymidine (TdR) or leucine (Leu) incorporation by the extracted bacterial co...

2004
C. Organo E. M. Lee G. Menezes

Annually, approximately 15% of Ireland’s electricity requirement is provided through the combustion of 3 × 10 tonnes of peat. While literature on the coal-fired power generation is quite abundant, studies on the peat-fired power generation industry from the radiological point of view are scarce. A study of the largest Irish peat-fired power plant was initiated to review the potential occupation...

Journal: :Proceedings. Biological sciences 2003
Pamela J Wilson Jim Provan

Peat bogs represent unique ecosystems that are under particular threat from fragmentation due to peat harvesting, with only 38% of the original peatland in Europe remaining intact and unaffected by peat cutting, drainage and silviculture. In this study, we have used microsatellite markers to determine levels and patterns of genetic diversity in both cut and uncut natural populations of the peat...

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