Results 21 to 30 of about 358,015 (300)

Toward Ecologically Scaled Landscape Indices

open access: yesThe American Naturalist, 2001
Nature conservation is increasingly based on a landscape approach rather than a species approach. Landscape planning that includes nature conservation goals requires integrated ecological tools. However, species differ widely in their response to landscape change.
Vos, C.C.   +3 more
openaire   +3 more sources

MODISTools - downloading and processing MODIS remotely sensed data in R [PDF]

open access: yes, 2014
Remotely sensed data – available at medium to high resolution across global spatial and temporal scales – are a valuable resource for ecologists. In particular, products from NASA's MODerate-resolution Imaging Spectroradiometer (MODIS), providing twice ...
Andy Purvis   +6 more
core   +2 more sources

Water quality assessment, trophic classification and water resources management [PDF]

open access: yes, 2010
Quantification of water quality (WQ) is an integral part of scientifically based water resources management. The main objective of this study was comparative analysis of two approaches applied for quantitative assessment of WQ: the trophic level index ...
Gal, Gideon   +4 more
core   +2 more sources

Nematicide effects on non-target nematodes in bermudagrass

open access: yesJournal of Nematology, 2019
In turfgrass systems, nematicides are a valuable tool for managing plant-parasitic nematode populations, but few studies have examined nematicide effects on non-target nematodes.
Waldo Benjamin D.   +3 more
doaj   +1 more source

Adaptation of the "Herbarium" Computer DataBase to Archiving and Analysis of Floristic Data [PDF]

open access: yes, 2010
The aim of the study was to present "Herbarium" computer database. The basic goal of construction of the database was gathering and analysing of archival and contemporary floristic data referring to the area of Central Poland.
Jakubowska-Gabara, Janina   +2 more
core   +2 more sources

The grape phylloxera plague as a natural experiment: the upkeep of vineyards in Catalonia (Spain), 1858-1935 [PDF]

open access: yes, 2010
We present a comparative analysis of the impact and outcome in Catalonia of the wine rush and crash unleashed by the spread of the Grape Phylloxera plague in Europe (1865-1890).
Badia Miró, Marc   +3 more
core   +2 more sources

Contrasting responses to catchment modification among a range of functional and structural indicators of river ecosystem health [PDF]

open access: yes, 2009
1. The value of measuring ecosystem functions in regular monitoring programs is increasingly being recognised as a potent tool for assessing river health.
Barbour   +76 more
core   +2 more sources

A review of Australian approaches for monitoring, assessing and reporting estuarine condition: III. Evaluation against international best practice and recommendations for the future [PDF]

open access: yes, 2016
In this final component of a three-part review, we present a national synthesis and evaluation of approaches for monitoring, assessing and reporting estuarine condition across Australia.
Elliott, Mike   +2 more
core   +3 more sources

Determination of water quality in lakes by biological indices [PDF]

open access: yes, 1980
Some problems of evaluation of water quality by biological indices which can be applied in the practice of ecological monitoring on water bodies are considered in this report.
Nikolaev, I.I.
core  

Comparative algological and bacteriological examinations on biofilms developed on different substrata in a shallow soda lake [PDF]

open access: yes, 2008
According to the European Water Framework Directives, benthic diatoms of lakes are a tool for ecological status assessment. In this study, we followed an integrative sample analysis approach, in order to find an appropriate substratum for the water ...
A Cattaneo   +36 more
core   +1 more source

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