Soil

Physical properties, soil physical and biological readings

Soil Biology Primer

Misc: 
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Lesson Plans from Ecology Explorers

LESSON PLANS from Ecology Explorers 15! Series.
Click on links below to view and print lesson plans:

Make Some Feedback!- This lesson uses arthropod functional groups to explore and brainstorm potential causes leading to different functional group abundances (numbers) in different forest ages.

(Click here for MS Word version)

 

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Vegetation Cover Data Sets

Click on the links below to view Vegetation data sets from participating LTERs.

H. J. Andrews (Temperate Forest, Oregon)

Central Arizona- Phoenix (Urban Desert, Arizona)

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Arthropod Data Sets

Click on the links below to view 2008 Pitfall Trap data sets from participating LTERs.

H. J. Andrews (Temperate Forest, Oregon)

Central Arizona- Phoenix (Urban Desert, Arizona)

Jornado (Chuhuahuan Desert, New Mexico)

Luquillo (Tropical Forest, Puerto Rico)

Shortgrass Steppe (Grassland, Colorado)

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Designing a Research Project Walkthrough

Overview

Scientists conduct research to investigate patterns occurring in the natural world around them.

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<img class="thumbnail_field" src="/files//protocol_search_1.gif"/>

Soil Nitrogen

Soil Nitrogen

 

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Water Infiltration

Water Infiltration- Completed on site

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Berlese Funnel Extraction Protocol

Purpose: Assess the diversity and abundance of meso- and micro-arthropods in the soil (springtails, mites, microspiders, small insects, worms).

 

Purpose: Assess the diversity and abundance of meso- and micro-arthropods in the soil (springtails, mites, microspiders, small insects, worms).

 

Procedure: (A) Overview

(1) remove soil core from field into ziplock plastic bag

(2) place soil core in Berlese extractor (extractor pre-made)

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Thumbnail: 
<img class="thumbnail_field" src="/files/./Berlese_fig1.gif"/>

Litter Decomposition

Senescent leaves decompose at differing rates due to a variety of factors such as the community of organisms living in the soil, climatic conditions, and chemical compounds within the leaves. The investigators will study the cumulative affect of these variables on decomposition.

 

This protocol may require $50-$100 and >1 day in field or instruments left >1 day.

Click here for online protocol

 

 

 

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<img class="thumbnail_field" src="/files//sally_decomp2.jpg"/>

Análisis de descomposición para la calidad de los suelos

Introducción:

Los hongos, a menudo, descomponen la materia orgánica muerta y los restos de madera. Los hongos contienen una enzima que les permite descomponer la celulosa, la lignina, los terpenos (compuestos aromáticos que dan a los árboles el olor a pino) y los taninos (compuestos que protegen a las plantas de aquellos organismos que causan enfermedades). Se trata de compuestos muy complejos, difíciles de atacar por las bacterias.

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Evaluación de nematodos

Introducción:

Los nematodos son gusanos no segmentados, generalmente, de 1 mm de largo. La mayoría de las especies de nematodos desempeñan funciones que benefician el suelo, pero hay unas pocas especies responsables de enfermedades en plantas.

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