Results 61 to 70 of about 14,065 (269)

A Radiation-Regulated Dynamic Maximum Light Use Efficiency for Improving Gross Primary Productivity Estimation

Remote Sensing, 2023
The light use efficiency (LUE) model has been widely used in regional and global terrestrial gross primary productivity (GPP) estimation due to its simple structure, few input parameters, and particular theoretical basis.
Zhiying Xie, Cenliang Zhao, Wenquan Zhu, Hui Zhang, Yongshuo H. Fu   +4 more
semanticscholar   +1 more source

UJI KOMPARASI NILAI GROSS PRIMARY PRODUCTIVITY (GPP) DAN KELIMPAHAN KLOROFIL-a KOLAM BUDIDAYA PEMBESARAN IKAN DENGAN PUPUK DAN TANPA PUPUK

, 2015
ABSTRAKPemupukan dalam kegiatan budidaya perikanan bertujuan untuk meningkatkan kesuburan media pemeliharaan denganmemberikan unsur atau zat hara ke dalam tanah yang secara langsung atau tidak dapat meningkatkan produktivitasprimer media.
Muh. Masyarul Rusdani, Muhammad Juli Dan Abdul Syukur
core   +2 more sources

Plant Phenology Index leveraging over conventional vegetation indices to establish a new remote sensing benchmark of GPP for northern ecosystems

International Journal of Applied Earth Observations and Geoinformation
Northern ecosystems, encompassing boreal forests, tundra, and permafrost areas, are increasingly affected by the amplified impacts of climate change. These ecosystems play a crucial role in determining the global carbon budget.
Hanna Marsh, Hongxiao Jin, Zheng Duan, Jutta Holst, Lars Eklundh, Wenxin Zhang   +5 more
doaj   +1 more source

Environmental Effects on Normalized Gross Primary Productivity in Beech and Norway Spruce Forests

Atmosphere, 2021
The strong effects of climate change are expected to negatively impact the long-term resilience and function of forest ecosystems, which could lead to changes in forest carbon balance and productivity.
Caleb Mensah, Ladislav Šigut, Milan Fischer, Lenka Foltýnová, Georg Jocher, Otmar Urban, Cosmos Senyo Wemegah, Emmanuel K. Nyantakyi, Shilpi Chawla, Marian Pavelka, Michal V. Marek   +10 more
doaj   +1 more source

Impacts of the data quality of remote sensing vegetation index on gross primary productivity estimation

GIScience & Remote Sensing, 2023
As the most commonly used driven data for gross primary productivity (GPP) estimation, satellite remote sensing vegetation indexes (VI), such as the leaf area index (LAI), often seriously suffer from data quality problems induced by cloud contamination ...
Yinghao Sun, Dan Peng, X. Guan, D. Chu, Yongming Ma, Huanfeng Shen   +5 more
semanticscholar   +1 more source

Evaluation of MODIS Gross Primary Production (GPP) by Comparing with GPP from CO₂Flux Data Measured in a Mixed Forest Area [PDF]

Journal of The Korean Society of Agricultural Engineers, 2011
In this study, In order to evaluate reliable of MODIS GPP, the MODIS GPP and Flux tower measured GPP were compared to evaluate the use of method on 8 days composite MODIS GPP. The 2008 Flux data ( Flux and air temperature) measured in Seolmacheon watershed () were used.
Chung-Gill Jung, Hyung-Jin Shin, Min-Ji Park, Hyung-Kyung Joh, Seong-Joon Kim   +4 more
openaire   +1 more source

Increased snow cover enhances gross primary productivity in cold and dry regions of the Tibetan Plateau

Ecosphere, 2023
Snow cover is an important control element in the Tibetan Plateau (TP) ecosystem; however, the impact of snow cover changes on gross primary productivity (GPP) is largely unknown, particularly under complex geographical conditions.
Hao Liu, Pengfeng Xiao, Xue-liang Zhang, Youlv Wu   +3 more
semanticscholar   +1 more source

Using a social‐ecological macrosystems framework to understand how human activities alter ecological synchrony

People and Nature, EarlyView.
Abstract Different aspects of ecological systems, biotic or abiotic, often fluctuate in coordinated patterns over space and time. Such high concordance between ecological processes is often referred to as ecological synchrony. Human activities, including and beyond climate change, have the potential to alter ecological synchrony by disrupting or ...
Yiluan Song, Mallory Barnes, K. Ann Bybee‐Finley, Kyla M. Dahlin, Travis McDevitt‐Galles, Stephan B. Munch, Guillermo E. Ponce‐Campos, Casey Youngflesh, Benjamin Zuckerberg, Kai Zhu   +9 more
wiley   +1 more source

Functional diversity and soil nutrients regulate the interannual variability in gross primary productivity

Journal of Ecology, 2023
Global change, encompassing rising temperatures and an increase in extreme precipitation events, has influenced vegetation photosynthesis; this can be seen in the gross primary productivity (GPP) of terrestrial ecosystems, which, over time affects the ...
Pu Yan, Jiahui Zhang, N. He, Weikang Zhang, Congcong Liu, M. Fernández‐Martínez   +5 more
semanticscholar   +1 more source

The Circular Economy in European Union Supply Chains: A Literature Review

Sustainable Development, EarlyView.
ABSTRACT This research aims to analyze the implementation of the circular economy (CE) in European Union (EU) supply chains (SC), highlighting its potential to transform production systems and maximize resource efficiency while minimizing waste. Our study identifies the major trends and advancements in this field, focusing on the barriers that prevent ...
Luis Oswaldo Rodríguez‐Mañay, Inmaculada Guaita‐Pradas, Inmaculada Marques‐Perez   +2 more
wiley   +1 more source