Recent changes in plant species diversity in urban Pelham Bay Park, 1947–1998

DeCandido, Robert

doi:10.1016/j.biocon.2004.02.005

Cited by 62 publications

(39 citation statements)

References 20 publications

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“…Floras associated with the forests were released within four time periods: 1818-1840 [22][23][24][25]; 1880-1919 [26][27][28][29]; 1993-1996 [30][31][32][33]; and 1998-2011 [32,[34][35][36]. The floras from 1818 to 1840 represent the respective cities while the floras from 1998 to 2011 are for the individual remnant urban forests.…”

Section: Methodsmentioning

confidence: 99%

“…Table 2. Presence of invasive trees and shrubs as listed in the Mid-Atlantic Exotic Pest Plant Council Plant List [38] in the floras for the four remnant urban forests and cities: Middlesex Fells and Boston-1840 [22], 1896 [26], 1993 [30], and 2011 [34]; Pelham Bay and New York-1810 [23], 1880 [27], 1948 [31], and 1998 [31]; Wissahickon Creek and Philadelphia-1818 [24], 1905 [28], 1996 [32], and 2004 [35]; as well as Rock Creek and Washington-1830 [25], 1919 [29], 1995 [33], and 2011 [36]. Species binomials and growth form (tree-T and shrub-S) follow Hortus Third [37].…”

Section: Residence Time and Presence In Florasmentioning

confidence: 99%

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Arboricultural Introductions and Long-Term Changes for Invasive Woody Plants in Remnant Urban Forests

Loeb

2012

Forests

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Section: Methodsmentioning

confidence: 99%

Section: Residence Time and Presence In Florasmentioning

confidence: 99%

Arboricultural Introductions and Long-Term Changes for Invasive Woody Plants in Remnant Urban Forests

Loeb

2012

Forests

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“…However, the inventory of the regional flora (Beijing Normal University 1992), recorded 1,482 vascular species for the entire metropolitan region of Beijing, so compared with the surrounding geographical zone, the species richness of the inner city is quite low. In comparison, urban parks and gardens for most western countries contribute a relatively high number of species to their surrounding area, with regard to their regional geographical situation and the variety of land use patterns (Loeb 1989;Cornelis and Hermy 2004;DeCandido 2004). This clear difference may have two explanations.…”

Section: Discussionmentioning

confidence: 99%

Plant species composition in relation to green cover configuration and function of urban parks in Beijing, China

Liu

Ouyang

Meng

et al. 2005

Ecological Research

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Plant species composition in relation to green cover configuration and function of urban parks in Beijing, China Abstract Parks, as one specific type of urban open space, play important roles in the conservation of urban biodiversity and provision of recreational services for local residents. As there is a lack of specific insight into park plant species composition in relation to park features, 24 sample parks within the inner city of Beijing, the capital of China, were studied by stratified random plot sampling of their tree, shrub, and herbaceous communities, respectively, in order to investigate how human activities have influenced park green cover configuration and floristic characteristics. The quantitative correlation of species richness and the park green cover indices (patch size, shape, etc.) were studied. The importance value index for plant species (trees, shrubs, and herbaceous species) of each park was calculated. The two-way indicator species analysis approach (TWINSPAN) was applied to classify the 24 parks into different groups based on their species assemblages. Two-hundred and eighty-eight species were recorded within the 24 study parks, belonging to 184 genera and 72 families dominated by Gramineae, Compositae, and Leguminosae. Among all the recorded species, 41% are exotic. The species occurrence, abundance and diversity vary significantly among different parks. Besides the positive correlation (R=0.505, P<0.05) between herbaceous species abundance and the park green cover size, no other significant relations were found between the species abundance and other indices of park green cover configuration. Remarkably, the TWINSPAN classification resulted in a good discrimination between park functional types and the variation in their species assemblage. For the parks of similar age (development history) or landscape design, their species assemblages show more similarity. The methodology adopted and results can be employed to improve baseline information on urban plant ecology and support the setting of priorities for future park management and vegetation protection.

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“…Due to land-use changes, which cause habitat fragmentation, loss and degradation of natural and semi-natural habitats, emergence of new, urban habitats, lowering the groundwater table level, increased levels of nutrients, pH, temperature, pollution and disturbance, cities are unfavorable habitats for plant existence (Kowarik 2011). However, some groups of plant species are more threatened in urban environments than others, especially those with narrow ecological niches, associated with more-natural habitats, such as acidophilus forests, meadows or wetlands (Jackowiak 1990;Jackowiak 1993;Jackowiak 1995;Chocholoušková and Pyšek 2003;DeCandido 2004;Knapp et al 2010). On the other hand, disturbances connected with human settlement facilitate encroachment of alien plant species, along with increased chances of naturalization in urban areas (Chocholoušková and Pyšek 2003;Knapp et al 2010;Jarošík et al 2011b;Kowarik 2011;Kowarik et al 2013;Dyderski and Jagodziński 2016).…”

Section: Introductionmentioning

confidence: 99%

Ecological lands for conservation of vascular plant diversity in the urban environment

2016

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Conservation of biodiversity in urban areas has become crucial to urban green area management. There are several legislative solutions for preservation of species and habitats in cities. One of them is 'ecological lands' -a lowrestrictive form of protected areas in Poland. We aimed to assess their efficiency in vascular flora biodiversity conservation in the urban environment in Poznań (W Poland; 550,000 inhabitants). We hypothesized that ecological lands which cover <2% of the city area comprise over 50% of taxonomic diversity and over 90% of functional trait-level range of the vascular flora. Analysis of five ecological lands, which covered 1.8% of the whole city area confirmed our hypothesis. In ecological lands studied, we found 564 species of vascular plants, which is 52.9% of the whole city flora. These species belonged to 23 of 29 phytosociological classes represented in the whole city (73.9%). Functional trait distributions in ecological lands studied comprised from 95.8 to 100% of trait distributions in the flora of the whole city. Ecological lands seem to be a good way for conservation of biodiversity in urban areas. The legislative simplicity and low restrictiveness for both land management and recreational utility make ecological lands a much easier form of nature conservation which may be adapted to other cities for more efficient biodiversity management.

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Recent changes in plant species diversity in urban Pelham Bay Park, 1947–1998

Cited by 62 publications

References 20 publications

Arboricultural Introductions and Long-Term Changes for Invasive Woody Plants in Remnant Urban Forests

Arboricultural Introductions and Long-Term Changes for Invasive Woody Plants in Remnant Urban Forests

Plant species composition in relation to green cover configuration and function of urban parks in Beijing, China

Ecological lands for conservation of vascular plant diversity in the urban environment

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