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Progress in Ecological Stoichiometry

Authors: --- --- --- --- et al.
Book Series: Frontiers Research Topics ISSN: 16648714 ISBN: 9782889456215 Year: Pages: 382 DOI: 10.3389/978-2-88945-621-5 Language: English
Publisher: Frontiers Media SA
Subject: Science (General) --- Microbiology
Added to DOAB on : 2019-01-23 14:53:43
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Ecological stoichiometry concerns the way that the elemental composition of organisms shapes their ecology. It deals with the balance or imbalance of elemental ratios and how that affects organism growth, nutrient cycling, and the interactions with the biotic and abiotic worlds. The elemental composition of organisms is a set of constraints through which all the Earth’s biogeochemical cycles must pass. All organisms consume nutrients and acquire compounds from the environment proportional to their needs. Organismal elemental needs are determined in turn by the energy required to live and grow, the physical and chemical constraints of their environment, and their requirements for relatively large polymeric biomolecules such as RNA, DNA, lipids, and proteins, as well as for structural needs including stems, bones, shells, etc. These materials together constitute most of the biomass of living organisms. Although there may be little variability in elemental ratios of many of these biomolecules, changing the proportions of different biomolecules can have important effects on organismal elemental composition. Consequently, the variation in elemental composition both within and across organisms can be tremendous, which has important implications for Earth’s biogeochemical cycles. It has been over a decade since the publication of Sterner and Elser’s book, Ecological Stoichiometry (2002). In the intervening years, hundreds of papers on stoichiometric topics ranging from evolution and regulation of nutrient content in organisms, to the role of stoichiometry in populations, communities, ecosystems and global biogeochemical dynamics have been published. Here, we present a collection of contributions from the broad scientific community to highlight recent insights in the field of Ecological Stoichiometry.

Rainwater Harvesting: Quantity, Quality, Economics and State Regulations_Book

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ISBN: 9783038427148 9783038427131 Year: Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Environmental Sciences
Added to DOAB on : 2018-01-24 14:14:42
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Rainwater harvesting (RWH) is the most popular alternative water source in many urban, peri-urban, and rural areas. Although rainwater is fresh in nature, it gets polluted from atmospheric contaminants, roof catchments, and the RWH system itself. The research questions which are the most relevant to RWH system include the optimum rainwater tank size for a given location and set of users, water quality from a RWH system, financial viability of a RWH system, and state regulations on the use of water from a RWH system. You are invited to submit a technical paper to this Special Issue of Water on these aspects of a RWH system.

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