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Degradation and Preservation of Organic Matter in Marine Sediments
Organic matter that is deposited in aquatic sediments is subject to an intense diagenetic reactor that determines how much organic carbon is...
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Biological Markers for Anoxia in the Photic Zone of the Water Column
In this chapter we review the current state of knowledge on the occurrence of anoxic conditions in the water column of past depositional systems...
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Controls on the Carbon Isotopic Compositions of Lipids in Marine Environments
Organic carbon isotopes have long been used to study modern and ancient biogeochemical processes. Controls on the isotopic composition of organic...
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Sources and Cycling of Organic Matter in the Marine Water Column
The organic carbon cycle operates on multiple time scales with a only small fraction of the global reservoir actively exchanged. For the marine...
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Molecular Tools for the Analysis of DNA in Marine Environments
In the last decade, microbial ecologists have increasingly applied molecular techniques to investigate microorganisms in natural environments. The...
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Atmospheric Transport of Terrestrial Organic Matter to the Sea
The transport of atmospheric particles with associated terrestrial organic matter to the oceans is an important process affecting various global...
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Sources and Fate of Organic Contaminants in the Marine Environment
The sources, levels, and fate of organic contaminants of major concern in the marine environment are reviewed. Spatial distributions among the...
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Lipid Markers for Marine Organic Matter
An astonishing variety of different lipids have been found in marine sediments and the water column attesting to the diversity of biosynthetic...
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Pigment Markers for Phytoplankton Production
Chlorophylls and carotenoids are commonly used as quantitative biomarkers for the composition and biomass of marine phytoplankton. This chapter...
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Isotopic Tracers of the Marine Nitrogen Cycle: Present and Past
The oceanic nitrogen cycle consists of a web of microbially mediated transformations driven in part by the large range in possible nitrogen...
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Spatial Distribution, Contamination Characteristics, and Potential Ecological Risk Assessment of Trace Metals in Surface Soils of South-Central Stretch Of India
Surface soils in urban regions play a crucial role in controlling regional climatic patterns and sustaining ecological equilibrium. This study...
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Cytogenotoxicity of 2,4-D and Glyphosate Herbicides: Effects of Isolated and Combined Environmental Concentrations on Onion Root Tips (Allium Cepa)
Glyphosate and 2,4-dichlorophenoxyacetic acid (2,4-D) are the most widely used pesticides in the world. In this work, the cytogenotoxic potential of...
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Physical and Chemical Properties of Soils Derived from Different Parent Rocks Mediate Microbial Carbon Cycling
Parent rock is a key factor contributing to differences in soil physical and chemical properties. However, the mechanism of microbial carbon cycle...
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Subnational assessment of legal and illegal deforestation in the Colombian Amazon: consequences for zero deforestation commitments
Deforestation has been at the heart of the transformation of the Amazon. Global concerns over deforestation and its impact on climate change have...
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Identifying remnant biodiversity hotspots in Southern Asia reveals disequilibrium in mammalian communities
Identification of highly biodiverse areas has become a crucial step in protecting species richness, especially considering the rapid collapse of...
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Synthesis and characterization of thiazolidinone -functionalized MCM-41 and kaolinite nanocomposites as the powerful and new adsorbents for heavy metal removal: process optimization using RSM-CCD
Core – shell magnetic nanoparticles MCM-41 and nano-clays are working absorbents for elimination of heavy metal ions. Nanoparticles Fe 3 O 4 are made by...
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Ashes in Freshwater Ecosystems: A Systematic Review of their Impacts on Fish
Ash runoff into freshwater systems from fire events, coal combustion, and volcanic activities threatens to biodiversity conservation, given its...
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Key propagation pathways of extreme precipitation events revealed by climate networks
The comprehensive understanding of propagation patterns of extreme precipitation events (EPEs) is essential for early warning of associated hazards...
