Results 51 to 60 of about 310,423 (208)

Circular 69 [PDF]

open access: yes, 1989
LIST OF FIGURES -- LIST OF TABLES -- PREFACE -- CHAPTER 1— BACKGROUND & OVERVIEW: Alaska’s Native Lands: Alaska Native Claims Settlement Act Lands: Regional Corporations, Village Corporations, Additional ANCSA Land Entitlements, Former Native Reserve ...
Gasbarro, Anthony F., Miller, Ronald K.
core  

Historical Population Increases and Related Inciting Factors of Agrilus anxius, Agrilus bilineatus, and Agrilus granulatus liragus (Coleoptera: Buprestidae) in the Lake States (Michigan, Minnesota, and Wisconsin) [PDF]

open access: yes, 2019
Three native species of tree-infesting Agrilus have regularly reached outbreak levels in the Lake States (Michigan, Minnesota, and Wisconsin), including A. anxius Gory (bronze birch borer), A.
Haack, Robert A., Petrice, Toby
core   +2 more sources

Nutrient Resorption in Young Stands of Three Native Tree Species to Support Restoration of Degraded Tropical Peatland in Indonesia

open access: yesLand
Nutrient resorption (NR) is a critical ecological process in forest ecosystems. However, there is a lack of knowledge about this process in the peatlands of Indonesia, and this may be seen as a research gap.
Ahmad Junaedi   +13 more
doaj   +1 more source

DOMINANCE, ASSOCIATION AND DISTRIBUTION PATTERN OF TREE SPECIES IN BURNT FOREST IN EAST KALIMANTAN

open access: yesBiotropia: The Southeast Asian Journal of Tropical Biology, 2021
Repeated forest fires have high impact on species’ composition. Pioneer species colonize the burnt forest and develop widely up to 30 years after a fire but late-succession species regenerate gradually or even disappear owing to direct impact of fires
Subekti Rahayu
doaj   +1 more source

Soil quality indicators in a rhodic kandiudult under different uses in northern Parana, Brazil. [PDF]

open access: yes, 2019
Sustainable use of soil, maintaining or improving its quality, is one of the goals of diversification in farmlands. From this point of view, bioindicators associated with C, N and P cycling can be used in assessments of land-use effects on soil quality ...
ANDRADE FILHO, G.   +10 more
core   +1 more source

Biotic constraints on the establishment and performance of native, naturalized, and invasive plants in Pacific Northwest (USA) steppe and forest

open access: yesNeoBiota, 2017
Factors that cause differential establishment among naturalized, invasive, and native species are inadequately documented, much less often quantified among different communities. We evaluated the effects of seed addition and disturbance (i.e., understory
Brian M. Connolly   +2 more
doaj   +3 more sources

Floristic Inventory of Woollen’s Gardens Nature Preserve, Indianapolis, Marion County, Indiana, USA, With Quantitative Vegetation Sampling of Permanent Plots in 2003 and 2016 [PDF]

open access: yes, 2017
Urban forest fragments face challenges to habitat quality due to small size, isolation from larger natural areas, and close association with anthropogenic disturbance.
Dolan, Rebecca W., Moore, Marcia E.
core   +1 more source

Comparative Study of Photosynthesis Rates between Native Red Maple and Invasive Norway Maple in the Eastern Deciduous Forest [PDF]

open access: yes, 2018
Invasive species, such as the Norway Maple, are often able to outcompete native species, such as the Red Maple by performing more efficiently in the environment compared to the native species.
Bourtis, Evan M, Heckman, Lindsey R
core   +1 more source

Distribution and abundance of fish and crayfish in a Waikato stream in relation to basin area [PDF]

open access: yes, 2003
The aim of this study was to relate the longitudinal distribution of fish and crayfish to increasing basin area and physical site characteristics in the Mangaotama Stream, Waikato region, North Island, New Zealand.
Allen K. R.   +14 more
core   +2 more sources

A survey in natural forest ecosystems of Vietnam reveals high diversity of both new and described Phytophthora taxa including P. ramorum [PDF]

open access: yes, 2020
In 2016 and 2017, surveys of Phytophthora diversity were performed in 25 natural and semi-natural forest stands and 16 rivers in temperate and subtropical montane and tropical lowland regions of Vietnam.
Bakonyi, József   +14 more
core   +2 more sources

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