Results 141 to 150 of about 55,585 (234)

The search for exudates from Eurasian watermilfoil and hydrilla [PDF]

open access: yes, 2002
Secondary metabolites are produced by aquatic plants, and in some instances, exudation of these metabolites into the surrounding water has been detected.
Glomski, Lee Ann M.   +3 more
core  

Detecting Pteridium arachnoideum and Tithonia diversifolia in a Multiclass Land‐Cover Framework in the Cerrado: A Deep Learning Time‐Series Benchmark With Spatial Cross‐Validation

open access: yesTransactions in GIS, Volume 30, Issue 2, April 2026.
ABSTRACT This study presents the first deep‐learning time‐series benchmark for detecting two encroaching species in the Brazilian Cerrado: the native super‐dominant fern Pteridium arachnoideum and the invasive alien shrub Tithonia diversifolia. We evaluate 43 architectures across six families (CNNs, RNNs, Transformers, and three hybrid groups) on ...
Leandro de Arruda Bruno   +3 more
wiley   +1 more source

High diversity of macrophytes in the »green river« Krka (Slovenia)

open access: yesRiver
The presence, abundance, and distribution of aquatic macrophytes and their growth forms in the river Krka in Slovenia were studied. The studied slow‐flowing lowland River Krka is also called a »green river« since it is overgrown with macrophytes from its
Aleksandra Golob   +2 more
doaj   +1 more source

The relationship between aquatic macrophytes and water quality in Nta-Wogba Stream, Port Harcourt, Nigeria [PDF]

open access: yes, 2011
An empirical survey of macrophytes distribution and biomass from four stations, along Nta-wogba stream in Port Harcourt, Nigeria, was conducted between April and December 2007, to quantify the relationship between biomass, in stream nutrients and ...
Akinrotimi, O.A.   +2 more
core  

The EC Water Framework Directive and its implications for the Environment Agency [PDF]

open access: yes, 2001
The bulk of the European Community's water policy legislation was developed between the mid 1970s and the early 1990s. These directives addressed specific substances, sources, uses or processes but caused problems with differing methods definitions and ...
Foster, Dave   +2 more
core  

Ecological integrity of boreal streams [PDF]

open access: yes, 2007
Running waters provide a number of services for humans, such as drinking water and food resources and many freshwater animals are confined and specialised to this environment.
Bergfur, Jenny
core  

Responses of mediterranean freshwater invertebrates to the fungicide difenoconazole across different macrophyte dominance conditions: A mesocosm study. [PDF]

open access: yesEcotoxicology
Grillo-Avila D   +10 more
europepmc   +1 more source

Drought Intensity, Timing, and Reproductive Strategy Drive Submerged Macrophyte Resilience. [PDF]

open access: yesPlants (Basel)
He Y   +13 more
europepmc   +1 more source

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