Soil Algae

Soil algae are photosynthetic microorganisms that live on or within soil, where they contribute to primary production and influence nutrient cycling, soil structure, and ecosystem stability. Using light energy, they convert carbon dioxide and water into organic matter and oxygen; some associated cyanobacteria can also fix atmospheric nitrogen under suitable conditions. In environmental sciences, their presence can indicate soil moisture, fertility, disturbance, and recovery, while algal biomass and biological soil crusts may reduce erosion and support land restoration. Studying soil algae therefore connects microbial ecology with climate, agriculture, and sustainable soil management.

Soil Algae - Related Videos

Education

JoVE Science Education - Environmental Sciences

Algae Enumeration via Culturable Methodology

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2023

Source: Laboratories of Dr. Ian Pepper and Dr. Charles Gerba - The University of Arizona Demonstrating Author: Bradley Schmitz Algae are a highly heterogeneous group of microorganisms that have one common trait, namely the possession of photosynthetic pigments. In the environment, algae can cause problems for swimming pool owners by growing in the water. Algae can also cause problems in surface waters, such as lakes and reservoirs, due to algal blooms that release toxins. More recently, algae...

Overview of Algae

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2025

The kingdom Archaeplastida encompasses red and green algae, along with land plants. Unlike other protists with chloroplasts that arose through secondary endosymbiosis, only red and green algae originated from primary endosymbiotic events. This diverse group of eukaryotic organisms contains chlorophyll and performs oxygenic photosynthesis.Algae exist in various forms, from large brown kelp in coastal waters to green scum in puddles and stains on rocks or soil. Some species are responsible for...

Other Algae

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2025

The group Stramenopiles include some phototrophic microorganisms. Members of this group possess flagella covered in numerous short, hairlike extensions, a feature that inspired the group's name, derived from the Latin words for "straw" and "hair." Some of the main categories of Stramenopiles include diatoms, golden algae, and brown algae.Diatoms are unicellular, photosynthetic eukaryotes, with over 200 known genera. They play a key role in the planktonic communities of both marine and...

Research

JoVE Journal - Environment
Free Sample

Methods of Soil Resampling to Monitor Changes in the Chemical Concentrations of Forest Soils

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Cited by 19 •

2016

Repeated soil sampling has recently been shown to be an effective way to monitor forest soil change over years and decades. To support its use, a protocol is presented that synthesizes the latest information on soil resampling methods to aid in the design and implementation of successful soil monitoring programs.

Measurements of Soil Carbon by Neutron-Gamma Analysis in Static and Scanning Modes

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Cited by 8 •

2017

Here, we present the protocol for in situ measurement of soil carbon using the neutron-gamma technique for single point measurements (static mode) or field averages (scanning mode). We also describe system construction and elaborate data treatment procedures.

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