Zobrazeno 1 - 10
of 482
pro vyhledávání: '"Karl J Niklas"'
Autor:
Zhiqiang Wang, Mingcheng Wang, Kailiang Yu, Huifeng Hu, Yuanhe Yang, Philippe Ciais, Ashley P Ballantyne, Karl J Niklas, Heng Huang, Buqing Yao, S Joseph Wright
Publikováno v:
Environmental Research Letters, Vol 16, Iss 4, p 044034 (2021)
Nitrogen (N) and phosphorus (P) are associated with the life history of all organisms. Soil microbes play essential roles in nutrient cycling and ecosystem dynamics. As compared to plants, however, our understanding of the soil microbial N versus P s
Externí odkaz:
https://doaj.org/article/4fd34da2d1094f138a82dfb81193d13c
Publikováno v:
PLoS ONE, Vol 7, Iss 3, p e33927 (2012)
Individual trees have been shown to exhibit strong relationships between DBH, height and volume. Often such studies are cited as justification for forest volume or standing biomass estimation through remote sensing. With resolution of common satellit
Externí odkaz:
https://doaj.org/article/0ee58084adda4a9b95085f16a6f9fdda
Autor:
Zhiqiang Wang, Heng Huang, Han Wang, Josep Peñuelas, Jordi Sardans, Ülo Niinemets, Karl J. Niklas, Yan Li, Jiangbo Xie, Ian J. Wright
Publikováno v:
Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)
Leaf functional traits are increasingly used as proxies for plant functions. Here, the authors show that leaf water affects other leaf traits and is a better predictor of whole-leaf photosynthesis and leaf area than leaf nitrogen or phosphorus conten
Externí odkaz:
https://doaj.org/article/ce2260f1fe564253a43cc321e7462de0
Autor:
Karl J. Niklas, Saul A. Newman
Scholars consider the origins and consequences of the evolution of multicellularity, addressing a range of organisms, experimental protocols, theoretical concepts, and philosophical issues.The evolution of multicellularity raises questions regarding
Publikováno v:
Frontiers in Ecology and Evolution, Vol 10 (2022)
Understanding the altitudinal patterns of plant stoichiometry in seeds is critical for characterizing important germination and dormancy strategies, soil seed bank composition, seed predation probability, efficiency of seed dispersal and seedling per
Externí odkaz:
https://doaj.org/article/56c060be02fd4be693659fb7a96adf83
Publikováno v:
Frontiers in Plant Science, Vol 13 (2022)
“Diminishing returns” in leaf economics occurs when increases in lamina mass (M), which can either be represented by lamina dry mass (DM) or fresh mass (FM), fail to produce proportional increases in leaf surface area (A), such that the scaling e
Externí odkaz:
https://doaj.org/article/142604950ebf4194b14d226aaa96c9a8
Publikováno v:
Frontiers in Plant Science, Vol 13 (2022)
The Montgomery equation predicts leaf area as the product of leaf length and width multiplied by a correction factor. It has been demonstrated to apply to a variety of leaf shapes. However, it is unknown whether tree size (measured as the diameter at
Externí odkaz:
https://doaj.org/article/7efc97d3dfd44f3f960442669b1f6ca3
Autor:
Karl J. Niklas, Hanns-Christof Spatz
From Galileo, who used the hollow stalks of grass to demonstrate the idea that peripherally located construction materials provide most of the resistance to bending forces, to Leonardo da Vinci, whose illustrations of the parachute are alleged to be
Publikováno v:
Frontiers in Plant Science, Vol 13 (2022)
Leaf lamina mass and area are closely correlated with the photosynthetic capacity and competitive ability of plants, whereas leaf age has been demonstrated to affect physiological processes such as photosynthesis. However, it remains unknown whether
Externí odkaz:
https://doaj.org/article/1b72a74ba0ed465bbd19c69bf057ed9c
Publikováno v:
Plants, Vol 11, Iss 18, p 2370 (2022)
Leaf shape and size can vary between hybrids and their parents. However, this has seldom been quantitatively tested. Photinia × fraseri is an important landscaping plant in East Asia as a hybrid between evergreen shrubs P. glabra and P. serratifolia
Externí odkaz:
https://doaj.org/article/061edf6630fa4eeb82a7d5dd6b86027f