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Physical Sciences and Mathematics Commons

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Full-Text Articles in Physical Sciences and Mathematics

Principles Of Onsite Wastewater Treatment, Michael Cerbo Oct 2021

Principles Of Onsite Wastewater Treatment, Michael Cerbo

Library Impact Statements

No abstract provided.


The Coastal Monitor: Vol. 7 No. 3, John Tanacredi Ph.D. Oct 2021

The Coastal Monitor: Vol. 7 No. 3, John Tanacredi Ph.D.

The Coastal Monitor

Where has all the pollution gone? No hazardous toxic algal blooms? Incredible summer estuarine water quality! No fish kills. Banner years in recreational fisheries for Stripers and Blues and incredible numbers of Humpback whales! No going to restaurants, so greater at home use of water and septic systems! Since March 2020, drier years than most, thus reducing runoff with fertilizers and organic pesticides, resulting in reduced water contamination. So maybe, just maybe, this COVID- 19 period which has altered our collective lives forever, has also resulted in a grand experiment on what has been hiding in plain sight? That is, …


A Review Of The Economics Of Regenerative Agriculture In Western Australia, Anne Bennett Apr 2021

A Review Of The Economics Of Regenerative Agriculture In Western Australia, Anne Bennett

All other publications

  • There is no published work detailing the economics of regenerative agriculture in Western Australia.
  • Of the work completed in other jurisdictions and nations captured in this review, the profitability of regenerative agriculture compared with conventional agriculture was variable, although generally lower.
  • The loss of income associated with the transition from conventional agriculture to regenerative agriculture is a significant barrier to adoption, although it is enterprise-sensitive.
  • Farmers who are operating regenerative agriculture systems self-report higher levels of wellbeing.
  • Conventional agriculture and regenerative agriculture are overlapping approaches.
  • The literature presented in this review is mostly based on small samples, case studies or …


A Look At Land Cover Classification Methods In Northern California With The Use Of High Spatial Resolution Geospatial Data, Lucila Corro Jan 2021

A Look At Land Cover Classification Methods In Northern California With The Use Of High Spatial Resolution Geospatial Data, Lucila Corro

Cal Poly Humboldt theses and projects

Land use and land cover (LULC) mapping plays a vital role in understanding the state of the world, showing us a visual representation of the natural and anthropogenic features covering our planet. Northern California in the United States is home to many critical habitats that provide for a variety of endemic and some threatened and engendered species, making it an area of particular concern to better understand and monitor. There is a greater need to identify specific methods for vegetation modeling in Northern California due to its unique species; to do this we examined two case studies with the following …


Can A Remote Sensing Approach With Hyperspectral Data Provide Early Detection And Mapping Of Spatial Patterns Of Black Bear Bark Stripping In Coast Redwoods?, Shayne R. Magstadt Jan 2021

Can A Remote Sensing Approach With Hyperspectral Data Provide Early Detection And Mapping Of Spatial Patterns Of Black Bear Bark Stripping In Coast Redwoods?, Shayne R. Magstadt

Cal Poly Humboldt theses and projects

The prevalence of black bear (Ursus americanus) bark stripping in commercial redwood (Sequoia sempervirens) timer stands has been increasing in recent years. This stripping is a threat to commercial timber production because of the deleterious effects on redwood tree fitness. This study sought to unveil a remote sensing method to detect these damaged trees early and map their spatial patterns. By developing a timely monitoring method, forest timber companies can manipulate their timber harvesting routines to adapt to the consequences of the problem. We explored the utility of high spatial resolution UAV-collected hyperspectral imagery as a …