Results 81 to 90 of about 6,310 (207)

Aboveground Net Primary Productivity in Grazed and Ungrazed pastures: Grazing Optimisation Hypothesis or Local Extinction of Vegetation Species [PDF]

, 2009
The controversy that has surrounded herbivory studies in the last few decades prompted our investigation to establish the extent to which herbivore optimisation hypothesis or compensatory growth evidence is real.
Jesse T. Njoka, Robinson K. Ngugi, Silvanus G. Otieno, Stephen M. Mureithi, Truman P. Young   +4 more
core   +1 more source

Charge-Asymmetry of the Nucleon-Nucleon Interaction [PDF]

, 1998
Based upon the Bonn meson-exchange model for the nucleon-nucleon ($NN$) interaction, we study systematically the charge-symmetry-breaking (CSB) of the $NN$ interaction due to nucleon mass splitting.
C. Ordonez, C. Y. Cheung, D. B. Kaplan, D. V. Bugg, E. M. Henley, G. A. Miller, G. A. Miller, G. Krein, G. Q. Li, H. Witala, I. Slaus, J. Piekarewicz, J. Rahm, K. A. Scaldeferri, K. Hikasa, M. H. Partovi, M. R. Robilotta, N. Kaiser, O. Dumbrajs, R. A. Arndt, R. A. Arndt, R. A. Brandenburg, R. A. Brandenburg, R. B. Wiringa, R. de Tourreil, R. Machleidt, R. Machleidt, R. Machleidt, R. Machleidt, R. Machleidt, S. A. Coon, S. A. Coon, S. A. Coon, T. E. O. Ericson, T. E. O. Ericson, T. Goldman, V. G. J. Stoks, V. Stoks, W. Glöckle   +38 more
core   +2 more sources

Detecting and modeling topography‐induced differences in plant productivity across a grassland ecosystem gradient

Ecosphere, Volume 17, Issue 2, February 2026.
Abstract Understanding spatial variation in grassland productivity is critical for ecological modeling and management. The Great Plains of North America, a vast grassland region east of the Rocky Mountains, exhibits strong gradients in aboveground net primary production (ANPP) linked to precipitation and finer scale topoedaphic variation.
Johny Arteaga, Melannie D. Hartman, William J. Parton, Yushu Xia, Jiaming Duan, Mitchell B. Stephenson, Jerry Volesky, Maosi Chen, Darrin Sharp, Jonathan Straube, Wei Gao   +10 more
wiley   +1 more source

Spatial–Temporal Variation of ANPP and Rain-Use Efficiency Along a Precipitation Gradient on Changtang Plateau, Tibet

Remote Sensing, 2019
Aboveground net primary productivity (ANPP) and rain-use efficiency (RUE) are important indicators in assessing the response of ecosystems to climate change.
Guangshuai Zhao, Min Liu, Peili Shi, Ning Zong, Jingsheng Wang, Jianshuang Wu, Xianzhou Zhang   +6 more
doaj   +1 more source

Nazarin Sarrafa Harshe A Waƙar ANPP Ba Na Shakka Ta Alhaji Aminu Ibrahim Ɗandago

Tasambo Journal of Language, Literature, and Culture, 2022
A wannan takarda, an tattauna matsayin makaɗi ko mawaƙi a cikin al’ummar Hausawa. Sa’annan an yi ƙoƙarin waiwayen wasu daga cikin alƙaluman da tarihi ya naɗe a fagen faɗakarwa kan amfanin zaman lafiya. Tattaunawa kan misalan waƙoƙin da aka kalato, domin nuna tasirin waƙar baka wajen tabbatar da zaman lafiya shi ne ƙashin bayan wannan takarda.
openaire   +1 more source

Drought resistance drives population temporal stability of annuals in drylands

Journal of Ecology, Volume 114, Issue 2, February 2026.
We examined how functional traits determine population temporal stability in 178 populations of winter annuals across Mediterranean, semi‐arid and arid climates over 13 years. Traits conferring higher drought resistance were consistently associated with greater stability in open habitats, whereas shrub microhabitats altered or reversed this pattern ...
Johanne Gresse, Lars Götzenberger, Jan Lepš, Pierre Liancourt, Merav Seifan, Katja Tielbörger, Maria Májeková   +6 more
wiley   +1 more source

DIRECT ESTIMATION OF ABOVEGROUND FOREST PRODUCTIVITY THROUGH HYPERSPECTRAL REMOTE SENSING OF CANOPY NITROGEN [PDF]

, 2002
The concentration of nitrogen in foliage has been related to rates of net photosynthesis across a wide range of plant species and functional groups and thus represents a simple and biologically meaningful link between terrestrial cycles of carbon and ...
Aber, John D., Goodale, Christine L., Hallett, Richard A., Martin, Mary E., Ollinger, Scott V., Smith, Marie-Louise   +5 more
core   +2 more sources

Controls on Seasonal Atmosphere‐Ecosystem Carbon Dioxide Exchanges in a Temperate Salt Marsh

Global Change Biology, Volume 32, Issue 2, February 2026.
We quantified net ecosystem exchange of carbon dioxide in a Spartina alterniflora salt marsh on the eastern shore of Virginia using eddy‐covariance measurements from March 2016 to February 2017. Peak carbon dioxide uptake occurred during summer, with tidal inundation reducing both daytime assimilation and nighttime respiration, while diffuse light ...
Jesus Ruiz‐Plancarte, Jose D. Fuentes, Karen J. McGlathery   +2 more
wiley   +1 more source

Climate-Suitable Planting as a Strategy for Maintaining Forest Productivity and Functional Diversity [PDF]

, 2015
Within the time frame of the longevity of tree species, climate change will change faster than the ability of natural tree migration. Migration lags may result in reduced productivity and reduced diversity in forests under current management and climate ...
Duveneck, Matthew Joshua, Scheller, Robert M.   +1 more
core   +3 more sources

A Scoping Review of the Emergence of Novel Synthetic Opioids in Australian Drug Markets: What Does This Mean for Harm Reduction Responses?

Drug and Alcohol Review, Volume 45, Issue 1, January 2026.
ABSTRACT Issues Rising synthetic opioid deaths in North America, and the emergence of nitazene harms has driven concern about novel synthetic opioids (NSO) in Australia. This scoping review aimed to map what is known about NSOs in Australia. Approach Scoping review of peer‐reviewed and grey literature on NSO detections and harms.
Emmanuel Mammoliti, Suzanne Nielsen, Amanda Roxburgh   +2 more
wiley   +1 more source