نتایج جستجو برای: instream flow needs

تعداد نتایج: 720916  

1997
David Wilde Paul A. Swatman

The farming community, in many parts of Australia, is widely dispersed and heavily dependent upon communication both within the community and outside. In this preliminary paper we explore the information needs and information flows of the rural sector and consider the farm as the potential focus of a virtual community. A virtual community may form a basis both for electronic commerce, in the tr...

Journal: :Journal of Applied Ecology 2021

More frequent and more severe forest fires mean severely burned wood in streams. Instream provides habitat complexity, alters geomorphology, retains organic inorganic material, promotes hyporheic flow acts as substrate for biofilm invertebrates. However, little is known about instream functions fire-prone biomes how they combine with burning levels to guide postfire management efforts. Over 3 y...

2007
Jurriaan van Diggelen Robbert-Jan Beun Rogier M. van Eijk Peter J. Werkhoven

This paper proposes a decentralized approach for modeling information flow in ambient environments. We study how query and notification mechanisms can be used to reduce the amount of information exchanged between agents. We will propose qualitative criteria which state whether querying a concept is appropriate given the logical structure of an agent’s knowledge base. Furthermore, we will propos...

2006
T. W. Corringham A. L. Westerling B. J. Morehouse

We conducted surveys of fire and fuels managers at local, regional, and national levels to gain insights into decision processes and information flows in wildfire management. Survey results in the form of fire managers’ decision calendars show how climate information needs vary seasonally, over space, and through the organizational network, and help determine optimal points for introducing clim...

Journal: :Frontiers in Ecology and Evolution 2021

Artificial instream barriers are a major cause of habitat fragmentation that reduce population connectivity and gene flow by limiting fish movements. To mitigate their impacts, obsolete increasingly been removed worldwide, but few barrier removal projects monitored. We employed powerful Before-After-Downstream-Upstream (BADU) approach using environmental DNA (eDNA) metabarcoding to examine the ...

Journal: :Earth Surface Processes and Landforms 2021

Climate change is decreasing glacier cover and increasing the frequency magnitude of precipitation-driven high flows floods in many regions world. Precipitation may become dominant water source for river systems recently deglaciated catchments, with major rainfall events driving significant changes channel morphology. Few studies, however, have examined response to repeated flows. In this study...

Journal: :Canadian Journal of Fisheries and Aquatic Sciences 2022

Salmonids make flexible and adaptive trade-offs between foraging efficiency predation risk that result in variable patterns of diel activity habitat use. However, the following remains unclear: (1) how differ among salmonid species; (2) this affects interpretation suitability models inform instream flow management. We combined snorkel observations with experimental additions cover to investigat...

2008
Angelina Lange Andreas Breiter

How can a public educational organization deal with new information requirements from outside the organization when there are problems with the internal data flows? The German school system is currently changing towards data-driven decision-making for school improvement and accountability. Data becomes an important asset and building large-scale information systems becomes a necessity. In other...

2009
Ken Hodge Chris Lonsdale Susan A. Jackson

In this exploratory study, we examined hypothesized antecedents (basic psychological needs) and consequences (dispositional flow) of athlete engagement (AE); plus the extent to which AE mediated the relationship between basic needs and flow. Structural equation modeling with a sample of 201 elite Canadian athletes (60.20% female, mean age = 22.92 years) showed that needs satisfaction (particula...

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