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Lightning Damage to Landscape Palms

Learning to distinguish the symptoms of lightning strikes is a valuable tool for arborists, landscapers, pest control companies, and gardeners. The symptoms may be confused with other causes such as lethal yellowing disease (Candidatus palmae...

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1/19/21
Wild Plants and You in the Times of COVID19 and the Essential Journey to Sustainability

With the current global spotlight on wild animal markets as a possible source of the COVID-19 epidemic, it is easy to forget that the biggest flows of “wildlife” in trade involve plants, not animals. This report summarises what is known about the trade...

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6/19/20
Lightning Protection for Trees

Thousands of trees are struck by lightning every year. These trees will have varying degrees of damage ranging from complete shattering and destruction of the tree, to a slow lingering death, to virtually no apparent damage at all (Figure 1). When...

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12/12/19
Bartlett: Mulch Application Guidelines

Mulches provide many benefits for trees and shrubs. Properly applied mulch will moderate soil temperatures, reduce soil moisture loss, reduce soil compaction, provide nutrients, improve soil structure, foster beneficial microbial communities, and keep...

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10/15/19
IMPLEMENTING CLIMATE AMBITION: Global Covenant of Mayors 2018 Global Aggregation Report

Building upon an initial 6000+ cities committed to GCoM at the time of the signing of the Paris Agreement, cities continue to make significant and ambitious commitments to meet the climate challenge. An additional 1,600+ cities have committed to the...

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4/17/19
Leaving No One Behind: The United Nations World Water Development Report 2019

The 2019 edition of the World Water Development Report focuses on the theme of “Leaving No One Behind”. It argues that fulfilling the human rights to safe drinking water and sanitation for all can also significantly contribute to the achievement of the...

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4/5/19

 

 
 
UC ANR Research and Education Influences Landscape Water Conservation and Public Policy

UC has been heavily involved in research and extension efforts impacting landscape water conservation legislation for over 30 years. In 1981, UC implemented the California Irrigation Management Information System, a network of weather stations that...

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3/5/19

 

 
Implementation of Sensor-based Automated Irrigation in Commercial Floriculture Production: A Case Study

A soil moisture sensor-based automated irrigation system was trialed in a commercial floriculture greenhouse to determine what benefits these types of systems may offer to herbaceous ornamental producers. Water use, crop quality and growth, and grower...

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3/1/19
Climate Change in the American Mind

The report Climate Change in the American Mind documents a continued upward trend in Americans’ concern about global warming, as reflected in several key indicators tracked since 2008, including substantial increases in Americans’ certainty...

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2/26/19
Mulch Type and Depth, Herbicide Formulation, and Postapplication Irrigation Volume Influence on Control of Common Landscape Weed Species

Mulch is often applied in landscape planting beds for weed control, but little research has focused specifically on mulch and preemergence (PRE) herbicide combinations. The objectives of this research were to determine the efficacy of herbicide + mulch...

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2/22/19
Understanding Carbon Footprint in Production and Use of Landscape Plants

Understanding carbon footprint (CF) terminology and the science underlying its determination is important to minimizing the negative impacts of new product development and assessing positive or negative cradle-to-grave lifecycle impacts. Life cycle...

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2/21/19
Natural Areas Management Plan for Matthaei Botanical Gardens: Nichols Arboretum, Horner- McLaughlin Woods, and Mud Lake Bog Cody

The purpose of a Natural Areas Land Management Plan for the Matthaei Botanical Gardens and Nichols Arboretum is to create a forward-focused systematic document that covers the most essential topics for land management. The ecological history of...

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12/28/18
Tree Species for Green Infrastructure: A Guide for Specifiers

The aim of this guide is to enable you to select appropriate trees for your planting scheme. By doing so, you will enhance the benefits bestowed on our communities by trees, help enrich our shared landscape and create a more sustainable urban forest...

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12/18/18
Hurricane Preparedness: Tips for Cultural Institutions

When you receive notice of a hurricane that has the potential to impact your area, it’s important that all individuals and cultural institutions prepare for possible strong winds, heavy rain, and flooding. 

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12/7/18
Fourth National Climate Assessment

The impacts of climate change are already being felt in communities across the country.
More frequent and intense extreme weather and climate-related events, as well as changes
in average climate conditions, are expected to continue to...

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11/29/18
Supplemental LED inter-lighting compensates for a shortage of light for plant growth and yield under the lack of sunshine

Supplemental lighting can enhance yield when sunlight is limited, as in winter. As the effect
of frequent cloudy or rainy days in other seasons on plant growth and yield remains unclear,
this article investigated the effect on tomato (...

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11/6/18
US Urban Forest Statistics, Values, and Projections

U.S. urban land increased from 2.6% (57.9 million acres) in 2000 to 3.0% (68.0 million acres) in 2010. States with the greatest amount of urban growth were in the South/Southeast (TX, FL, NC, GA and SC). Between 2010 and 2060, urban land is projected...

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3/23/18
The Future of Museums-2040

For the November/December 2017 issue of Museum magazine, Elizabeth Merritt, director of the Alliance’s Center for the Future of Museums, invited contributors to explore one specific future that might result from existing limits and challenges playing...

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11/3/17
Production Pointers
Each month, Dr. Christopher J. Currey, assistant professor at Iowa State University, guides growers through an assortment of greenhouse scenarios in his Production Pointers column. Are you applying PGRs to poinsettias? With Currey’s help, you can...
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10/16/17
Public Garden Article: Recipe For a Successful Garden: Management, Design, Maintenance

Sound master planning for an arboretum starts with an assessment of the existing landscape and leads to an integrated package of management (longterm operations planning), design (the realization of the new visions), and maintenance (day-to-day...

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11/5/15