Zobrazeno 1 - 10
of 194
pro vyhledávání: '"nutrient ratio"'
Autor:
Kuanbo Zhou, Yanping Xu, Shuh-Ji Kao, Peng Xiu, Xianhui Wan, Bangqin Huang, Xin Liu, Chuanjun Du, Jun Sun, Zhenyu Sun, Minhan Dai
Publikováno v:
Geoscience Letters, Vol 10, Iss 1, Pp 1-12 (2023)
Abstract Nutrient stoichiometry (e.g., nitrate + nitrite to soluble reactive phosphorus, refer to N + N/SRP, N/P hereafter) governs growth, competition and niche partitioning of phytoplankton in the illuminated oceans. The N/P, however, varies widely
Externí odkaz:
https://doaj.org/article/dcec31ef277c4f029e213d178c69ff7f
Autor:
Radek Novotný
Publikováno v:
Journal of Forest Science, Vol 69, Iss 2, Pp 60-66 (2023)
Forests in central Europe were affected by heavy bark beetle outbreak during the years 2014-2022. Decline of Norway spruce brought other species of forest trees, including the fir, to the fore. The nutritional level of silver fir is one of the studie
Externí odkaz:
https://doaj.org/article/fc95b3d3bd4d4794ba84753806e488ce
Akademický článek
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Autor:
Feiyang Ge, Zhiyuan Ma, Bin Chen, Yu Wang, Xiaoqian Lu, Shenqun An, Dian Zhang, Wanting Zhang, Weiwei Yu, Wenxuan Han, Xingguang Yu, Zhenghua Liu, Fangfang Kuang
Publikováno v:
Frontiers in Marine Science, Vol 9 (2022)
Understanding diversity patterns and associated driving factors are the critical topics in macroecology and conservation biology. Phytoplankton are highly susceptible to environmental changes in estuaries, particularly eutrophication. This study exam
Externí odkaz:
https://doaj.org/article/9cbb83b0583d4ddf96d992d9ba35ecbf
Autor:
Gabriela Puhl Rodrigues, Charles Kiefer, Karina Márcia Ribeiro de Souza Nascimento, Anderson Corassa, Danilo Alves Marçal, Marina de Nadai Bonin, Alexandre Pereira dos Santos, Luana Cristiane dos Santos
Publikováno v:
Ciência Rural, Vol 52, Iss 7 (2021)
ABSTRACT: This study evaluated the effect of dietary net energy (NE) levels on growth performance and carcass characteristics of barrows from 30 to 70 kg of body weight (BW). Sixty barrows with initial body weight (IBW) of 31.94 ± 3.54 kg and final
Externí odkaz:
https://doaj.org/article/c2dae5616b974c92829b8c9413d07119
Akademický článek
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Autor:
Valdeci Constantino, Antônio Carlos Vargas Motta, Julierme Zimmer Barbosa, Eloá Moura Araujo, Guilherme Quaresma Pedreira, Flávio Zanette
Publikováno v:
Floresta e Ambiente, Vol 28, Iss 1 (2020)
Abstract Fertilization can be a sustainable management practice for the maintenance of the threatened species such as Araucaria angustifolia. Our objective was to evaluate the elemental composition of A. angustifolia fertilized with N, P, and K, and
Externí odkaz:
https://doaj.org/article/447506ef1862498a90d7866413609277
Publikováno v:
Journal of Forest Science, Vol 63, Iss 8, Pp 344-354 (2017)
For 17 Norway spruce stands located in the Krkonoše Mts. in the Czech Republic a long-term assessment of defoliation, height increment, foliage concentration of nutrients (N, P, Ca, K, Mg) and stress elements (S, F) was carried out. The results show
Externí odkaz:
https://doaj.org/article/011379de08f4497ea1b08c66a63721a1
Akademický článek
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Autor:
Peiyu Zhang, Bart M. C. Grutters, Casper H. A. van Leeuwen, Jun Xu, Antonella Petruzzella, Reinier F. van den Berg, Elisabeth S. Bakker
Publikováno v:
Frontiers in Plant Science, Vol 9 (2019)
Global warming is expected to strengthen herbivore-plant interactions leading to enhanced top-down control of plants. However, latitudinal gradients in plant quality as food for herbivores suggest lower palatability at higher temperatures, but the un
Externí odkaz:
https://doaj.org/article/cfe8220fea2241a985be258ac658df9b