Results 31 to 40 of about 101,934 (328)

Evolution and relationships of the conifer seed cone telemachus: Evidence from the triassic of antarctica [PDF]

open access: yes, 2010
The seed cone Telemachus is known from several Triassic localities in Gondwana. New specimens from two localities in Antarctica provide additional information about the type species, Telemachus elongatus, based on details of morphology and anatomy ...
Decombeix, Anne-Laure   +3 more
core   +3 more sources

Testing of megagametophytes of some conifer species for defense reactions to the fungus Phaeolus schweinitzii

open access: yesActa Societatis Botanicorum Poloniae, 2014
The megametophytes of Picea abies, Pinus sylvestris, Pinus mugo and Larix decidua were cultured on modified solid agar MS medium with 5 mg.l-1 α-naphthaleneacetic acid and 0.1 mg.l-1 6-benzylaminopurine and exposed to a tester, the basidio-mycete ...
J. Hřib, B. Vooková
doaj   +1 more source

The Douglas-Fir Genome Sequence Reveals Specialization of the Photosynthetic Apparatus in Pinaceae. [PDF]

open access: yes, 2017
A reference genome sequence for Pseudotsuga menziesii var. menziesii (Mirb.) Franco (Coastal Douglas-fir) is reported, thus providing a reference sequence for a third genus of the family Pinaceae.
Cardeno, Charis   +21 more
core   +2 more sources

Expansion in the distribution of Pauesia silana Tremblay (Hymenoptera, Braconidae, Aphidiinae), across North Africa, a recent discovery in Tunisia [PDF]

open access: yesJournal of Insect Biodiversity and Systematics, 2022
View on Scopus The occurrence of Pauesia silana Tremblay, as an aphid parasitoid (Hym., Braconidae, Aphidiinae) in Tunisia is documented. The parasitoid was found in association with the Aleppo pine aphid, Cinara palaestinensis Hille Ris Lambers ...
Monia Ben Halima Kamel   +3 more
doaj  

Diversity, Distribution, Systematics and Conservation Status of Podocarpaceae

open access: yesPlants, 2023
Among conifer families, Podocarpaceae is the second largest, with amazing diversity and functional traits, and it is the dominant Southern Hemisphere conifer family.
Raees Khan   +3 more
doaj   +1 more source

Seed rain and soil seed bank in Chinese fir plantations and an adjacent natural forest in southern China: Implications for the regeneration of native species

open access: yesEcology and Evolution, 2022
The natural regeneration of native broadleaved species underneath forest monoculture plantations is important to recover ecosystem functions and to mitigate adverse environmental effects.
Bo Liu   +8 more
doaj   +1 more source

Keys and Notes on the Buprestidae (Coleoptera) of Michigan [PDF]

open access: yes, 2017
The distribution and dates of adult activity for Michigan buprestids are discussed. Keys to the genera and species, as well as host information are presented for 116 species and one subspecies.
Jackman, John A   +2 more
core   +3 more sources

Effects of hydrological regime on Taxodium ascendens plant decomposition and nutrient dynamics in the Three Gorges Reservoir riparian zone

open access: yesFrontiers in Environmental Science, 2022
Riparian plants are an integral part of the river ecosystem and have significant impacts on the water quality of the reservoir area. The special hydrological process of the riparian zone makes it possible to become a “source” or “sink” of organic matter ...
Zhangting Chen   +6 more
doaj   +1 more source

Retrospective Analysis of Wood Anatomical Traits Reveals a Recent Extension in Tree Cambial Activity in Two High-Elevation Conifers [PDF]

open access: yes, 2017
The study of xylogenesis or wood formation is a powerful, yet labor intensive monitoring approach to investigate intra-annual tree growth responses to environmental factors.
Angela L. Prendin   +5 more
core   +2 more sources

Owls as bioindicators: their spatial and temporal aspects in Eastern Europe [PDF]

open access: yes, 2019
The article presents the unique results of a study of the spatial distribution of owls in the territory of the Republic of Tatarstan by season of the year on long-term data. Ravkin’s transect method was used to census fixed randomly selected plots spread
Askeyev, Arthur   +2 more
core   +2 more sources

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