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Tag: historical
New Police Chief Takes Formal Oath at Historical Society Ceremony
2018-01-27 00:58:33| PortlandOnline
Pamplin Media Group, January 22, 2018
Tags: society
takes
chief
police
An Historical Overview
2017-09-14 17:22:22| PortlandOnline
PDF Document, 134kbCategory: N/NE Neighborhood Housing Plan
Tags: overview
historical
Historical Tree Research Guide
2017-09-13 23:26:02| PortlandOnline
Learn how to research the history of trees in Portland using this guide, developed by Portland historian Dave-Paul Hedberg. PDF Document, 7,488kbCategory: Guides and Walks
Tags: research
guide
tree
historical
Air filtration for swine herds: A historical perspective
2017-09-06 11:00:00| National Hog Farmer
PRRS has been a game changer in the swine industry, and filtration of hog barns has made great strides in reduction of the the spread of the air-borne strains of the virus.
Tags: air
historical
perspective
filtration
Historical wildlife trends reliable for predicting species at risk
2017-08-02 06:00:00| LifeSciencesWorld
[NEWS] Some of the methods used to predict at risk species are trend-based - an indicator of what happens gradually over time - while others are trait based, which uses signs of climate change in the current environment. Mix these methods together, however, and you get an unreliable set of results, scientist have found. The researchers are calling for guidelines produced by the International Union for Conservation of Nature (IUCN) Red List, the world's main authority on …
Tags: risk
historical
trends
reliable
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