User profiles for Douglas Jacobs

Douglass F. Jacobs

van Eck Professor of Forest Biology, Purdue University
Verified email at purdue.edu
Cited by 10414

Clinical correlates of inpatient suicide

KA Busch, J Fawcett, DG Jacobs - Journal of Clinical Psychiatry, 2003 - psychiatrist.com
Background: Previous suicide assessment research has led to standard predictors of risk.
Despite this, there are approximately 30,000 suicides per year in the United States, 5% to 6% …

Quantifying root system quality of nursery seedlings and relationship to outplanting performance

AS Davis, DF Jacobs - New Forests, 2005 - Springer
With over 1.5 billion forest tree seedlings produced annually in the USA, seedling quality
assessment is critical to ensure reforestation success. While height and root-collar diameter are …

The American Psychiatric Association practice guidelines for the psychiatric evaluation of adults

…, M Jackson-Triche, DG Jacobs… - American Journal of …, 2015 - Am Psychiatric Assoc
Can Trust, there has been an increasing focus on using clearly defined, transparent
processes for rating the quality of evidence and the strength of the overall body of evidence in …

Mechanical site preparation for forest restoration

M Löf, DC Dey, RM Navarro, DF Jacobs - New Forests, 2012 - Springer
Forest restoration projects have become increasingly common around the world and planting
trees is almost always a key component. Low seedling survival and growth may result in …

Adolescent alcohol use, suicidal ideation, and suicide attempts

…, JL Glanovsky, A James, D Jacobs - Journal of Adolescent …, 2009 - Elsevier
PURPOSE: To examine the association between self-reported alcohol use and suicide
attempts among adolescents who did and did not report suicidal ideation during the past year. …

Field performance of Pinus halepensis planted in Mediterranean arid conditions: relative influence of seedling morphology and mineral nutrition

JA Oliet, R Planelles, F Artero, R Valverde, DF Jacobs… - New Forests, 2009 - Springer
In Mediterranean arid regions, relatively small planting stock has traditionally been used in
an attempt to reduce drought susceptibility, though few studies have examined influences of …

[HTML][HTML] Restoring forests: what constitutes success in the twenty-first century?

DF Jacobs, JA Oliet, J Aronson, A Bolte, JM Bullock… - New Forests, 2015 - Springer
Forest loss and degradation is occurring at high rates but humankind is experiencing historical
momentum that favors forest restoration. Approaches to restoration may follow various …

Prediction of planted seedling survival of five Mediterranean species based on initial seedling morphology

M Tsakaldimi, P Ganatsas, DF Jacobs - New forests, 2013 - Springer
Field performance can be predicted by evaluating nursery stock quality, but optimal
morphological variables for use in these assessments may vary by species especially under dry …

Co-limitation towards lower latitudes shapes global forest diversity gradients

…, N Picard, M Zhou, B Pijanowski, DF Jacobs… - Nature ecology & …, 2022 - nature.com
The latitudinal diversity gradient (LDG) is one of the most recognized global patterns of
species richness exhibited across a wide range of taxa. Numerous hypotheses have been …

[HTML][HTML] Peer reviewed: screening high school students for eating disorders: results of a national initiative

…, S Forman, LA Prokop, A Keliher, D Jacobs - Preventing chronic …, 2008 - ncbi.nlm.nih.gov
Methods The National Eating Disorders Screening Program coordinated the first-ever
nationwide eating disorders screening initiative for high schools in the United States in 2000. …