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The dataset comprises 32 variables including site location, biome type, N-fixing niche, sampling year, quantification method, BNF rate (in kg N/ha/y), the percentage of nitrogen derived from the atmosphere, N-fixer or N-fixing substrate
from the top result below

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https://www.usgs.gov/staff-profiles/sasha-c-reed
Sasha seeks to provide useful information for land managers, policy-makers, and the general public

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https://www.usgs.gov/centers/western-geographic-science-center/science/rancho-ancon-water-cycle-augmentation
These questions will be examined using remote sensing and on-site investigative techniques to map the variations of the landscape over time

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https://www.usgs.gov/special-topic/water-science-school/science/groundwater-discharge-and-water-cycle
Eventually it emerges back to the land surface, into rivers, and into the oceans to keep the water cycle going

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https://www.usgs.gov/special-topics/water-science-school/our-water-our-lives-floods
The site colors indicate the level of flooding – please see the Legend tab in the top blue header for details

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https://www.usgs.gov/centers/southwest-biological-science-center/science/gemini-solar-project
The major on-site facilities are comprised of solar array blocks, substations, and operations and maintenance facilities

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https://www.usgs.gov/special-topic/water-science-school/science/glaciers-and-icecaps
com June 7, 2019 The water stored in ice and glaciers moves slowly through are part of the water cycle, even though the water in them moves very slowly

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https://www.usgs.gov/special-topic/water-science-school/science/groundwater-what-groundwater
This water may occur close to the land surface, as in a marsh, or it may lie many hundreds of feet below the surface, as in some arid areas of the western United States

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https://www.usgs.gov/special-topics/water-science-school/science/water-science-glossary
Here's a list of water-related terms, compiled from several different resources, that might help you understand our site better

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https://www.usgs.gov/special-topic/water-science-school/science/nitrogen-and-water
It may be difficult or expensive to retain on site all nitrogen brought on to farms whether for feed, fertilizer, or from animal manure

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https://www.usgs.gov/centers/forest-and-rangeland-ecosystem-science-center/science/land-treatment-exploration-tool
In Step 3 the user is guided to the Site History tab to explore land treatment and wildfire history of their planned treatment area

Thumbnail image for EoE Episode 126 – Annual NLCD | U.S. Geological

https://www.usgs.gov/media/images/thumbnail-image-eoe-episode-126-annual-nlcd
In this episode, we talk about the latest release of the National Land Cover Database (NLCD)

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https://www.usgs.gov/centers/forest-and-rangeland-ecosystem-science-center/news/land-treatment-exploration-tool-30
Online users can describe the planned treatment, create the planned boundary, explore site characteristics (with the option to create a drought forecast report), summarize the treatment area, select search parameters, and compare to past treatments to create a Site Characterization Report

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https://www.usgs.gov/centers/fort-collins-science-center/science/developing-fire-science-syntheses-wildland-fire
Active Federal agencies manage wildland fire in many ways, including broad-scale fire management planning and site-specific fire and fuels management actions

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https://www.usgs.gov/programs/environmental-health-program/science/multidisciplinary-approach-remediating-watersheds
Reclaimed flood plain and stream channel at former site of the Buckeye mill tailings, 2002

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https://www.usgs.gov/staff-profiles/lydia-n-bailey
Federal agencies manage wildland fire in many ways, including broad-scale fire management planning and site-specific fire and fuels management actions

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https://www.usgs.gov/water-science-school/science/watersheds-and-drainage-basins
A watershed is a precipitation collector Most of the precipitation that falls within the drainage area of a stream's USGS monitoring site collects in the stream and eventually flows by the monitoring site

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https://www.usgs.gov/water-science-school/science/rivers-streams-and-creeks
As far as our Water Science site is concerned, they are pretty much interchangeable

Data Access Tools | U.S. Geological Survey Skip to main content

https://www.usgs.gov/products/web-tools/data-access-tools
An official website of the United States government Here's how you know Here's how you know Official websites use .gov A .gov website belongs to an official government organization in the United States. Secure .gov websites use HTTPS A

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https://www.usgs.gov/centers/southwest-biological-science-center/science/supporting-energy-and-mineral-development
Surface reclamation generally entails recontouring a site to blend into the natural landscape, respreading saved topsoil and other amendments, establishing native vegetation, and minimizing erosion

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https://www.usgs.gov/staff-profiles/michelle-i-jeffries
To assist in the decision-making process, we created a tool that predicts site-specific soil moisture and climate for the upcoming year, and provides guidance on whether common restoration activities (i

Mercury Isotope Ratios used to Determine Sources of Mercury to Fish in

https://www.usgs.gov/programs/environmental-health-program/science/mercury-isotope-ratios-used-determine-sources-mercury
Isotopic signatures in bottom sediments corresponded to land use but the compositions were different than those in fish collected at the same site indicating that factors controlling mercury accumulation in fish and sediment differ

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https://www.usgs.gov/special-topic/water-science-school/science/base-flow-rivers
At the Peachtree Creek site near downtown, only 1/10th of an inch of rain fell, on about Sept

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https://www.usgs.gov/staff-profiles/david-s-pilliod
Our team conducts research into ways to increase efficiency and effectiveness of restoration actions aimed at site stability, ecosystem recovery, and wildlife habitat

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https://www.usgs.gov/programs/species-management-research-program/science/usgs-energy-and-wildlife-research-update-sept
Scientists have also developed decision-support tools, vulnerability indices, and risk assessment frameworks to inform site selection, operational strategies, and mitigation approaches

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https://www.usgs.gov/centers/southwest-biological-science-center/science/timing-really-everything-evaluating-resource
Here's how you know Official websites use .gov A .gov website belongs to an official government organization in the United States. Secure .gov websites use HTTPS A lock () or https:// means you’ve safely connected to the .gov website.

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https://www.usgs.gov/programs/toxic-substances-hydrology/science/geospatial-analyses-and-applications-core-technology
These relationships can also be used to find locations similar to these place-based study sites, which may be useful for future site-selections or result extrapolation

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https://www.usgs.gov/special-topic/water-science-school/science/contamination-groundwater
Or, a well might have been placed in land that was once used for something like a garbage or chemical dump site

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https://www.usgs.gov/mission-areas/water-resources/science/usgs-flood-information
The white pipe on the left houses the data loggers for the streamgage at this site

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https://www.usgs.gov/special-topic/water-science-school/science/freshwater-lakes-and-rivers-water-cycle
Completed Freshwater on the land surface is a vital part of the water cycle for everyday human life

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https://www.usgs.gov/special-topic/water-science-school/science/groundwater-decline-and-depletion
LAND SUBSIDENCE The basic cause of land subsidence is a loss of support below ground