4 documents found, page 1 of 1
How much importance is given to native plants in cities’ treescape? A case stud...
Moro, Marcelo Freire; Westerkamp, Christian; Araújo, Francisca Soares deEven though Brazil is a mega-diverse country, many Brazilian cities prioritize exotic plants in their treescapes. Aiming to evaluate how much the treescape in Fortaleza (the fifth largest city in Brazil) is aligned with the policy of valorization of native biodiversity, we sampled street and backyard trees surrounding one of the few vegetation fragments of the city, which is an area considered a priority for co...
Naturalization and potential impact of the exotic tree Azadirachta indica A.Jus...
Moro, Marcelo Freire; Westerkamp, Christian; Martins, Fernando RobertoInvasive species are among the leading causes of biodiversity loss on the planet, and some species that have become invasive were intentionally introduced for ornamental or commercial purposes. Azadirachta indica A.Juss. (Indian neem) is an exotic species that is widely cultivated in the northeastern region of Brazil, both in plantations and as an ornamental or shade tree, where it has reached reproductive phas...
The alien street trees of Fortaleza (NE Brazil): qualitative observations and t...
Moro, Marcelo Freire; Westerkamp, ChristianPublic tree planting is important for cities. It produces shadow, brings well-being for humans, and supports the urban fauna. But the cultivation of exotic plants can also be responsible for dissemination of invasive species. This paper aims to evaluate public tree planting in Fortaleza, Ceará state, in northeastern Brazil. From 2005 to 2009, qualitative observations on tree composition in the city were made. I...
Male and female booths with separate entrances in the tiny flowers of Guazuma u...
Westerkamp, Christian; Soares, Arlete Aparecida; Amaral Neto, Laércio P. doIn spite of their tiny dimensions (3 x 5 mm2 ), the strongly honey-scented flowers of Guazuma ulmifolia (Malvaceae–Byttnerioideae) provide six sexual chambers. A central female unit is surrounded by five interconnected male compartments. At the onset of anthesis the strap-shaped odoriferous petal appendages form an open star with the female chamber in the centre. Hereafter, they wilt, intermingle and finally lo...