BOTANIQUE.ORG

Les plantes parasites

Botanique.org — 2011-10-21T13:15:37Z

Parasitisme et symbiose sont des termes fréquemment employés dans le langage courant. Alors que le second qualifie des échanges réciproques et profitables entre 2 êtres vivants, le second caractérise la spoliation d'éléments nutritifs par le parasite aux dépens de son hôte.

- Les plantes dans le monde vivant / Adaptations morphologiques, anatomie, adaptation

La flore basque (présentation ppt)

Botanique.org — 2011-03-04T07:38:47Z

La diversité de la flore basque est exceptionnelle et concourt à rendre ce pays, situé entre mer et montagne, encore plus attachant. L'influence pyrénéenne et atlantique, le climat doux et humide favorise une diversité important dans la flore basque. Cependant, celle est actuellement menacée. La première raison est la disparition à cause des constructions des milieux naturels qui l'abritaient. La seconde raison est l'influence des plantes exotiques envahissantes telles (...)

- 4. Méthodes et outils liés à la biodiversité

Interactions végétales : la guerre végétale est déclarée

Botanique.org — 2010-11-03T16:01:10Z

Interactions végétales, article publié dans la revue "Jardins"

- 4. Méthodes et outils liés à la biodiversité

Management differentiated in the gardens

Botanique.org — 2010-08-19T08:59:59Z

Differentiated management is a concept of maintenance of the green areas which currently develops. It makes it possible to recreate biological diversity in the pleasure gardens. Differentiated management consists in carrying out a maintenance different according to the zones from the garden. For example, shearings in a garden of French style will be more frequent than in an English garden where to the extreme in a meadow. One of the management tools differentiated is thus a precise (...)

- Methods and tools

Octopus Stinkhorn (Anthurus archeri, Clathrus archeri)

Botanique.org — 2010-08-17T14:05:45Z

A strange host of our wood which resembles a red octopus Various people, Net surfers or listeners, asked for to me the name of this unknown “plant” whose remarkable red arms were spread with the autumn on the wood ground of leafy trees of our areas. First of all, it is not of a plant but about a mushroom, Anthurus archeri, formerly called Clathrus archeri, division of the Basidiomycetes, mushrooms such as the amanitas, agarics, the boletus, the polypores on the parasite or (...)

- 0. Do you know

The species (4): towards a consensual definition

Botanique.org — 2010-08-17T13:23:57Z

This fourth, and the last, article on the concept of species is a discussion on division or the meeting and proposes a consensual specific definition. The entirety of the article (in french) is also available in remote loading. L'intégralité de l'article est aussi disponible en téléchargement.

- Description of genus

The phylogenic species, the cohesive species, the ecological or fossil species

Botanique.org — 2010-08-17T12:41:09Z

This third article on the species supplements the principal definitions by approaching the concepts of species phylogenic, cohesive, ecological or fossil.

- Description of genus

Morphological species, biological species or evolutionary species

Botanique.org — 2010-08-17T12:35:01Z

This second article on the concept of species develops the principal concepts referring itself to it.

- Description of genus

The species (1): creationism and creationnism with the evolutionism

Botanique.org — 2010-08-17T12:25:04Z

Whereas we celebrate in 2009, the bicentenary of the birth of the naturalist Charles Darwin (1809-1882) as well as the 150 years of the publication of the Origin of the species, it is advisable to wonder about the concept of species.

- Description of genus

Flowerings of spring (vernal): stellar, periwinkle and anemone

Botanique.org — 2010-08-17T12:15:52Z

At mid-April, the first flowers appear in the underwoods of our areas. Profiting that the deciduous trees did not made yet of new sheets, of the plants with flowering known as vernal (of spring) come to brighten our forests of oaks and charms. In the forests made up mainly of oaks and charms of the area of Gâtinais (oak grove-charmaie), the trees being null and void there is sunning only during spring. At this period, carpets develop plants herbaceous known as vernal because pushing (...)

- Herbarium