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Books > Earth & environment > Geography > Physical geography > General
First published in 1985, William deBuys’s Enchantment and
Exploitation has become a New Mexico classic. It offers a complete
account of the relationship between society and environment in the
Sangre de Cristo Mountains of northern New Mexico, a region unique
in its rich combination of ecological and cultural diversity. Now,
more than thirty years later, this revised and expanded edition
provides a long-awaited assessment of the quality of the journey
that New Mexican society has traveled in that time—and continues
to travel. In a new final chapter deBuys examines ongoing
transformations in the mountains’ natural systems—including,
most notably, developments related to wildfires—with significant
implications for both the land and the people who depend on it. As
the climate absorbs the effects of an industrial society, deBuys
argues, we can no longer expect the environmental future to be a
reiteration of the environmental past.
In 2006, 2007 and 2010, fish communities, water quality, and
physical habitat were sampled at Wilson's Creek, Skegg's Branch
(also known as Schuyler Creek), and Terrell Creek to determine the
status and long-term trends in fish community composition and to
correlate this community data to water quality and habitat
conditions.
The U.S. Geological Survey (USGS), a nonregulatory Federal science
agency with national scope and responsibilities, is uniquely
positioned to serve the Nation's needs in understanding and
responding to global change, which includes changes in climate; sea
level; land use and land cover; ecosystems; and the global water,
carbon, and nitrogen cycles. Global change is among the most
challenging and formidable issues confronting our Nation and
society. Scientists agree that global environmental changes during
this century will have far-reaching societal implications
Intergovernmental Panel on Climate Change (IPCC), 2007; USGCRP,
2009]. In the face of these complex challenges, the Nation can
benefit greatly by using natural science information in
decisionmaking.
In 2002, a fine-grained sediment (sand, silt, and clay) monitoring
effort was initiated in the Colorado River ecosystem, the river
corridor downstream from Glen Canyon Dam, to directly survey
channel topography at scales previously unobtainable in this canyon
setting. This report presents an overview of the equipment and the
methods used to collect and process the high-resolution bathymetric
data required for this monitoring effort.
The purpose of this report is to inform the MOU agencies,
stakeholders, and the public about the current status and trends of
wet nitrogen deposition at RMNP. The MOU agencies will use the
information provided in this annual report to make a determination
of whether the interim milestones have been achieved in 2013, 2018,
2023, and 2028.
The National Park Service's Arctic Network (ARCN) seeks to
understand the natural resources and to detect changes and trends
in those resources in five NPS units, including Gates of the Arctic
National Park and Preserve, Kobuk Valley National Park, Noatak
National Preserve, Cape Krusenstern National Monument, and Bering
Land Bridge National Preserve (Figure 1).
This document describes the concept, organization, and application
of a hierarchical ecosystem classification that integrates saline
and tidal freshwater reaches of estuaries in order to characterize
the ecosystems of large flood plain rivers that are strongly
influenced by riverine and estuarine hydrology. We illustrate the
classification by applying it to the Columbia River estuary
(Oregon-Washington, USA), a system that extends about 233 river
kilometers (rkm) inland from the Pacific Ocean. More than
three-quarters of this length is tidal freshwater.
Beaches serve as a natural barrier between the ocean and inland
communities, ecosystems, and natural resources. However, these
dynamic environments move and change in response to winds, waves,
and currents. During extreme storms, such as powerful hurricanes,
changes to beaches can be large, and the results are sometimes
catastrophic. Lives may be lost, communities destroyed, and
millions of dollars spent on rebuilding.
This report summarizes the results of the 2002-2003 inventory of
birds, mammals, and herpetofauna, summarizes historic information,
and contains brief accounts of each species present or expected to
occur in the Whitman Mission National Historic Site (WHMI).
Information on species that are possible but unlikely to occur in
the mission is also included.
The purpose of this study was to collect baseline water quality
information on the Sound and the freshwater brooks flowing into the
Sound. A depauperate water quality data base and concern over the
potential for increased residential development throughout the
Somes Sound watershed were incentives for initiating this study.
This annual report details the status of key indicators of water
quality obtained from monitoring that occurred in Whitman Mission
National Historic Site (WHMI) in 2009, 2010, and 2011. WHMI natural
resource staff monitored Mill Creek in 2009, Doan Creek in 2010,
and Mill Creek again in 2011.
During surveys in 2009, we documented seven invasive exotic plant
taxa in the Big Spring Pines Natural Area, Chubb Hollow, Long Bay
Field and Long Bay at Ozark National Scenic Riverways. All species
were known to occur on the park. The most widespread and abundant
of the exotic plant species observed included Johnsongrass, ground
ivy and Nepalase browntop. Each of these species covered seven or
more acres in the park. In general, several invasive exotic plants
are a major problem in the study area at Ozark National Scenic
Riverways, but successful control is possible for a large group of
species. The acreage estimates presented in the report may be used
to plan management activities leading to control of exotic plants
and the accomplishment of GPRA goal IA1b.
Aquatic invertebrates are an important biomonitoring tool for
understanding and detecting changes in ecosystem integrity over
time. Therefore, the monitoring objectives of this protocol as
described by DeBacker et al. (2005) are: 1) Determine the status
and trends of invertebrate species diversity, abundance, and
community metrics. 2) Relate invertebrate community to overall
water quality through quantification of metrics related to species
richness, abundance, diversity, and region-specific multi-metric
indices as indicators of water quality and habitat condition.
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