Results 81 to 90 of about 220,397 (309)

Oyster Bed Mapping in the Great Bay Estuary, 2012-2013 [PDF]

open access: yes, 2013
Six major oyster beds (reefs) in New Hampshire are mapped periodically to assess wild oyster populations in the Great Bay Estuary. Data on the spatial extent of the beds are combined with density and other measures to estimate the abundances of live ...
Grizzle, Raymond E., Ward, Krystin M.
core   +2 more sources

Spatiotemporal Fire Patterns and Post‐fire Forest Change in Peru (2000–2021)

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Fire is increasingly more frequent and severe in many tropical regions, leading to significant forest loss, diminished biodiversity, and reduced Nature's contributions to people (NCPs). In this study, we analyzed the spatiotemporal patterns of fire in Peru and its regions, focusing on: (1) burned area, (2) size, and (3) number of fires, using ...
Maricel Móstiga   +3 more
wiley   +1 more source

Визначення геометричних характеристик вибухових вирв на землях сільськогосподарського призначення дистанційними методами

open access: yesZemleustrìj, Kadastr ì Monìtorìng Zemelʹ, 2023
Збройна агресія Російської Федерації проти України призвела до значного пошкодження родючого шару ґрунтів на тимчасово окупованих територіях. Оцінка збитків для земель сільськогосподарського призначення пошкоджених вирвами потребує визначення їх ...
S. Horelyk, A. Nechausov, O. Yankin
doaj  

Correlate Mapping of Impervious Surfaces as Flood Risk Assessment Strategy in Owerri, Southeastern Nigeria [PDF]

open access: yes, 2017
Owerri is rapidly growing in population and built environment, with corresponding, high increase in pavements or paved surfaces. This study explores the integrated approach of Remote Sensing (RS) and Geographic Information systems (GIS) techniques in ...
Anayo D. Udeh   +4 more
core   +3 more sources

Coupling Water Purification and Carbon Sequestration at Various Spatial Scales From Supply and Demand Perspective

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Balancing ecosystem‐service supply and demand is central to understanding both the natural and social dimensions of ecosystem services and to enhancing human well‐beings. Concurrently, collaborative efforts are underway to improve multiple ecosystem services, including the promotion of carbon neutrality and water purification (WP) within basin
Jing Cheng   +5 more
wiley   +1 more source

Effect of the Resolution and Accuracy of DTM produced with Aerial Photogrammetry and Terrestrial Laser Scanning on Slope- and Catchment-scale Erosion Assessment in a Recently Burnt Forest Area: a Case Study [PDF]

open access: yes, 2010
Wildfires are a common phenomenon in Portugal, affecting on average 100.000 ha of rural areas per year and up to 400.000 ha in dramatic years like 2003 and 2005.
Cambra, S.   +2 more
core   +1 more source

Estimating Soil Compaction Risk at Regional Scales Using Meteorological Data and Soil Spectroscopy

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Soil compaction is a significant form of soil degradation in Europe, reducing agricultural productivity, limiting carbon sequestration and increasing greenhouse gases emissions. In response, the forthcoming European Union Soil Monitoring and Resilience Law requires spatial assessment of topsoil and subsoil compaction risk at district, that is,
Felipe Bachion de Santana   +7 more
wiley   +1 more source

Gestione e manutenzione dell’illuminazione pubblica e dei centri luminosi: l’esperienza del Comune di Verona

open access: yesGEOmedia, 2006
Nella Gestione dei servizi da parte della Pubblica Amministrazione riveste una particolare importanza quello dell'illuminazione pubblica generalmente collegato alle forniture dell'energia elettrica.
Redazione Redazione
doaj  

Analisis Wilayah Kerentanan Bencana Banjir Berbasis Sistem Informasi Geografis di Kota Lhokseumawe

open access: yesTeras Jurnal: Jurnal Teknik Sipil
Abstrak Lhokseumawe merupakan wilayah yang sering terjadi banjir atau genangan. Pencegahan banyaknya korban serta kerugian material dapat dilakukan dengan zonasi wilayah rentan banjir. Metode analisis penelitian adalah deskriptif analitik.
Cut Ayu Lizar   +2 more
doaj   +1 more source

Sexual reproduction in invasive Japanese knotweed (Reynoutria japonica) in south Sweden

open access: yesNordic Journal of Botany, EarlyView.
To understand the potential for northward expansion of knotweeds into currently uninvaded regions, it is crucial to assess the potential for sexual reproduction alongside the ongoing vegetative spread. For that reason, we tested viability in Reynoutria japonica seeds in south Sweden, a region where viable seeds had not been previously reported ...
Tina D'Hertefeldt   +5 more
wiley   +1 more source

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