{"id":1949,"date":"2023-10-13T20:37:36","date_gmt":"2023-10-13T20:37:36","guid":{"rendered":"https:\/\/www.laspa.slg.br\/?page_id=1949"},"modified":"2023-10-13T20:37:36","modified_gmt":"2023-10-13T20:37:36","slug":"enxofre-em-braun-blanquet-1932","status":"publish","type":"page","link":"https:\/\/www.laspa.slg.br\/en\/projetos\/a-agencia-social-dos-elementos-quimicos\/levantamentos-da-presenca-de-elementos-quimicos-em-livros\/enxofre-em-braun-blanquet-1932\/","title":{"rendered":"Enxofre em Braun-Blanquet (1932)"},"content":{"rendered":"<p><em>Solfataras, Fumaroles<\/em>.\u2014Whereas the halophytic vegetation of deserts and steppes consists chiefly of xerophytes, the plant communities of <em>solfataras<\/em> and fumaroles show a mesophytic character throughout. The vegetation of the <strong>sulphur<\/strong> springs of Java has been given much attention, even to the structure of tissues. There the soil surface is covered with a yellow and whitish coating of <strong>sulphur<\/strong> and <strong>sulphur<\/strong> compounds. The steaming springs are rich in alum. The beautiful fern, <em>Pteris incisa<\/em>, nowhere thrives better than upon these soft <strong>sulphur<\/strong>ous soils; <em>Polypodium vulcanicum<\/em> even ventures upon rocks which are occasionally flooded by water reaching a temperature of 75\u00baC. According to Holtermann (1907, p. 78), the dominant shrubs, <em>Agapetes vulgaris<\/em> and <em>Rhododendron retusum<\/em>, are completely covered with a yellowish precipitate from the <strong>sulphur<\/strong>ous fumes. In spite of it, however, the leaves retain a rich green color, and even in the warm mud, surrounded with boiling solfataras, the shrubs bloom and bear fruit. The leaf anatomy of all the species examined is remarkable for the absence of xerophytic structures. (Braun-Blanquet 1932:203)<\/p>\n<p>In the spring purple bacteria form communities upon the mud bottom of the lagoons near Montpellier. When the inch-thick algal mat of species of <em>Ulva<\/em> and <em>Enteromorpha<\/em> is removed, large areas of the moist soil appear covered with an intensely wine-red, ill-smelling carpet of bacteria. A survey of the <strong>sulphur<\/strong> bacteria, with extensive references, is given by D\u00fcggeli (1919). (Braun-Blanquet 1932:203)<\/p>\n<p>BRAUN-BLANQUET, Josias. 1932. <em>Plant sociology: the study of plant communities<\/em>. (Trans.: George D. Fuller; Henry S. Conard) New York: McGraw-Hill Book Company.<\/p>","protected":false},"excerpt":{"rendered":"<p>Solfataras, Fumaroles.\u2014Whereas the halophytic vegetation of deserts and steppes consists chiefly of xerophytes, the plant communities of solfataras and fumaroles show a mesophytic character throughout. The vegetation of the sulphur springs of Java has been given much attention, even to the structure of tissues. There the soil surface is covered with a yellow and whitish coating of sulphur and sulphur [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":1212,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1949","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laspa.slg.br\/en\/wp-json\/wp\/v2\/pages\/1949","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laspa.slg.br\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.laspa.slg.br\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.laspa.slg.br\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laspa.slg.br\/en\/wp-json\/wp\/v2\/comments?post=1949"}],"version-history":[{"count":1,"href":"https:\/\/www.laspa.slg.br\/en\/wp-json\/wp\/v2\/pages\/1949\/revisions"}],"predecessor-version":[{"id":1950,"href":"https:\/\/www.laspa.slg.br\/en\/wp-json\/wp\/v2\/pages\/1949\/revisions\/1950"}],"up":[{"embeddable":true,"href":"https:\/\/www.laspa.slg.br\/en\/wp-json\/wp\/v2\/pages\/1212"}],"wp:attachment":[{"href":"https:\/\/www.laspa.slg.br\/en\/wp-json\/wp\/v2\/media?parent=1949"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}