Occurrence of Non-Native Species Deep in Natural Areas of the Shawnee National Forest, Southern Illinois, U.S.A.

2009 ◽  
Vol 29 (2) ◽  
pp. 177-187 ◽  
Author(s):  
Yohanes A. K. Honu ◽  
Shibi Chandy ◽  
David J. Gibson
Keyword(s):  
Native Species ◽  
National Forest ◽  
Natural Areas ◽  
Southern Illinois ◽  
Shawnee National Forest

Edge effects on nest predation in the Shawnee National Forest, southern Illinois

1995 ◽  
Vol 74 (3) ◽  
pp. 203-213 ◽  
Author(s):  
Miguel A. Marini ◽  
Scott K. Robinson ◽  
Edward J. Heske
Keyword(s):  
Edge Effects ◽  
Nest Predation ◽  
National Forest ◽  
Southern Illinois ◽  
Shawnee National Forest

scholarly journals Competitive Capacity of Native Species From the Carajás National Forest, Brazil

2018 ◽  
Vol 10 (11) ◽  
pp. 471
Author(s):  
Rafael G. Viana ◽  
Kaléo D. Pereira ◽  
Alexandre F. Castilho ◽  
Yanna K. S. Costa ◽  
Cintia H. Marega ◽  
...  
Keyword(s):  
Vegetative Growth ◽  
Native Species ◽  
Growth Index ◽  
National Forest ◽  
Density Index ◽  
Infestation Density ◽  
Physiological Quality ◽  
Urochloa Brizantha ◽  
Exotic Grass ◽  
Vegetative Growth Index

The present research had the objective to use the factor analysis in the evaluation of the competitive capacity of three native species from the Carajás National Forest in competition with different plant densities of the Urochloa brizantha grass. The experiment was conducted in a greenhouse and consisted in planting pots with the native species Bauhinia longipedicellata, Mimosa acutistipula and Solanum crinitum in competition with the exotic grass Urochloa brizantha. The exotic grass was established at densities ranging from 1 to 5 plants per pot, composing a 3 × 5 factorial arrangement with four replications that were delineated completely at random. Data were submitted to factor analysis for further analysis of variance and Tukey’s test at a 0.05 level of significance with the extracted factors. The effects of U. brizantha densities were evaluated by regression analysis. Out of the four extracted factors, three could be interpreted and were defined as vegetative growth index, infestation density index and physiological quality index. The Solanum crinitum species was slightly greater than the others in terms of vegetative growth rate and physiological quality. Generally speaking, native species maintain their vegetative growth in competitive conditions with up to two Urochloa brizantha plants; above that, the vegetative growth index tends to zero, while the infestation density index becomes positive.

scholarly journals Bird, mammal, and vegetation community surveys of research natural areas in the Tongass National Forest.

2001 ◽  
Author(s):  
W.P. Smith ◽  
M.J. Stotts ◽  
B.A. Andres ◽  
J.M. Melton ◽  
A. Garibaldi ◽  
...  
Keyword(s):  
National Forest ◽  
Community Surveys ◽  
Natural Areas ◽  
Vegetation Community ◽  
Tongass National Forest

scholarly journals Navigating the Non-Native Planting Rule: Permit Requirements for Large-Scale Plantings of Non-Native Species in Florida

EDIS ◽  
2021 ◽  
Vol 2021 (3) ◽  
Author(s):  
Deah Lieurance ◽  
Eric Rohrig ◽  
Stephen Enloe
Keyword(s):  
Native Species ◽  
Large Scale ◽  
Native Plants ◽  
Natural Areas ◽  
Fact Sheet

This fact sheet discusses why plantings of non-native plants are regulated, describes how plantings are regulated in Florida, and shows how the UF/IFAS Assessment of Non-Native Plants in Florida’s Natural Areas is critical to this process. Written by Deah Lieurance, Eric Rohrig, and Stephen Enloe, and published by the UF/IFAS Agronomy Department, June 2021.

Natural Area Forests in US Cities: Opportunities and Challenges

2020 ◽  
Author(s):  
Clara C Pregitzer ◽  
Sarah Charlop-Powers ◽  
Mark A Bradford
Keyword(s):  
United States ◽  
Native Species ◽  
Online Survey ◽  
Public Awareness ◽  
The United States ◽  
Data Sets ◽  
Natural Areas ◽  
Natural Area ◽  
Management Interventions ◽  
Us Cities

Abstract Not all urban greenspace is the same. Natural area forests can provision more benefits than designed landscapes, and healthy natural area forests can provide more benefits than degraded and invaded forests. Yet there is little information about the scale of natural areas in cities and their management systems. We used data sets on city parkland from across the United States and surveyed practitioners to understand urban natural area forest extent and management. We find that urban natural areas are a dominant greenspace landcover, accounting for 68% of total city parkland across 96 of the most populous cities in the United States in 2019. In the same cities over a five-year period (2014–2019), natural area parkland decreased by 4% (15,264 hectares). At municipal scales, most cities are managing forested natural areas to conserve native species. Across the 108 organizations and 92 cities that responded to our online survey, many different management interventions are being used to steer forest structure and composition. These activities and their outcomes are being tracked nearly 70% of the time by the managing organizations, suggesting a strong data basis for adaptive management. However, challenges exist: 94% of organizations cite invasive species and limited funding as primary challenges. Lack of data and low public awareness of the value of natural areas are also considered primary challenges by more than 70% of the organizations surveyed. As cities embark on efforts to expand and improve greenspace, protecting natural area parkland from development and addressing the challenges managers of these ecosystems face are two very important goals.

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