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Despite challenges posed by the pandemic, the USDA Forest Service announced it surpassed goals and set records in 2020. Source: Timberbiz “2020 was a challenging year, with record wildland fire activity and the COVID-19 pandemic. Throughout the Forest Service, we have risen above these challenges and set our minds, hands and hearts to carrying out our mission to meet the needs of the communi...
Comparisons were made of the effects of temperature and duration of low temperature on hatch of newly laid egg masses of the invasive spotted lanternfly, Lycorma delicatula (White). Egg masses were collected in mid- October 2019 and estimated to be less than 14 d old. There was a significant positive nonlinear relationship between temperature and developmental rate (1/d) for eggs held at constant ...
Dams are among the most prevalent and extreme alterations humans have perpetrated on fluvial systems. The dramatic physical and biological changes caused by dams have been synthesized for many aquatic faunal groups, but not for crayfishes. In addition, invasive crayfish species are an increasing threat to global biodiversity, and dams have both costs and benefits with respect to crayfish invasions...
Publication date: 1 March 2021Source: Forest Ecology and Management, Volume 483Author(s): Adrián Lázaro-Lobo, Rima D. Lucardi, Carlos Ramirez‐Reyes, Gary N. Ervin...
From 2021-01-21 to 2021-01-21, , online, IUFRO Unit(s) involved: 7.03.16, 7.03.05 Climate change has a strong influence on expression and responses of plant primary and secondary metabolites. Investigating such plant responses has become more critical as the North American forests have been frequently invaded by invasive insect herbivores. Studies have either primarily focused on the effects of cl...
While surveying the Hawaiian island of Kauai in search of invasive plants in 2017, botanist Kelsey Brock spotted something unusal: a few nonnative species of figs seemed to be settling in....
Abstract With continued global change as a result of land use changes, invasive species and changing climatic patterns, it is becoming increasingly important to understand the adaptability of Senegalia senegal provenances to maximize resilience in managed and natural populations of this species. The objective of this study is to investigate Senegalia senegal genotypic differences...
Four-year old English springer spaniel Pip and 5-year-old terrier Mawhai are being phased into operation, which will begin with the testing of soil samples from possibly infected kauri trees. Source: Stuff NZ A select few people including Auckland mayor Phil Goff were invited to watch the dogs in action at the remote training facility in Huia. Mr Goff was impressed by the success of the program an...
Over the past several years, plantings of California native plant nursery stock in restoration areas have become recognized as a pathway for invasive species introductions, in particular Phytophthora pathogens, including first in the U.S. detections (Phytophthora tentaculata, Phytophthora quercina), new taxa, new hybrid species, and dozens of other soilborne species. Res...
The Sixth International Workshop on the Genetics of Host-Parasite Interactions in Forestry: Tree Resistance: Putting Promise into Practice was held the first week of August 2018 at Deer Creek State Park in Mt. Sterling, Ohio. The workshop provided a continuing conduit for bringing together researchers, tree breeders, and forest managers to focus on perhaps the most salient action society can take ...
Butternut is a relatively uncommon hardwood tree native to eastern North America. The species' abundance has declined over the past 50 years, primarily because of an invasive pathogen (Ophiognomonia clavigignenti-juglandacearum [Oc-j]) and loss of suitable habitat for regeneration. Although genetic diversity of butternut is highest along the southern range edge, genetic diversity rangewide is...
Researchers have discovered that invasive brown tree snakes living on Guam can get around in a way that had never been seen before. The discovery of the snake's lasso-like locomotion for climbing their way up smooth vertical cylinders has important implications, both for understanding the snakes and for conservation practices aimed at protecting birds from them....
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