Results 111 to 120 of about 14,765 (206)

Seed rain and soil seed banks limit native regeneration within urban forest restoration plantings in Hamilton City, New Zealand [PDF]

open access: yes, 2012
Restoration of native forest vegetation in urban environments may be limited due to isolation from native seed sources and to the prevalence of exotic plant species.
Clarkson, Bruce D., Overdyck, Elizabeth
core   +1 more source

Supplements to the flora of Bitterfeld and surroundings (10. supplement) [PDF]

open access: yes, 2012
Bisher nicht bekannte Fundorte von Pflanzen im Altkreis Bitterfeld werden aufgeführt. Einige für Sachsen-Anhalt erst vor kurzem nachgewiesene Taxa (z. B. Centaurea stoebe subsp.
Wölfel, Ulrich
core  

Chemotaxis of Bracken Spermatozoids : The Role of Bimalate Ions [PDF]

open access: yes, 1958
1. Bracken spermatozoids are chemotactically attracted by malic acid salts and in a pH gradient aggregate between pH 3.5 and 5.6. 2. This response to pH occurs only when the sperm suspension contains malate. 3. At higher pH's, the response to an H+
Brokaw, C. J.
core   +1 more source

Patterns of understory invasion in invasive timber stands of a tropical sky island. [PDF]

open access: yesEcol Evol, 2023
Jobin V   +5 more
europepmc   +1 more source

Toxic Threats from the Fern <i>Pteridium aquilinum</i>: A Multidisciplinary Case Study in Northern Spain. [PDF]

open access: yesInt J Mol Sci
Sierra LM   +13 more
europepmc   +1 more source

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