BIOMETRIC ASPECTS OF FRUIT AND SEEDS Poincianella pluviosa var. peltophoroides (Benth.) L.P. Queiroz

Species arboreal, native of the Atlantic Forest biome, Poincianella pluviosa var. peltophoroides (Benth.) L.P. Queirozis widely used in urban landscaping due to the beauty of its flowering and indicated for the recovery of degradedareas as an initial or pioneer secondary species. The objective of the study was to characterize the fruits and seedsbiometrically, thus helping in its conservation and improvement. The work was conducted at the Federal Universityof Campina Grande, campus of Patos-PB, and the fruits were collected manually in matrices located on campus, usingas a selection criterion those who were mature. To obtain the biometric data, the fruits were selected and separated100 fruits and 100 seeds at random. To measure the biometric variables (length, width and thickness) of the fruitsand seeds, a digital caliper with a precision of 0.1 mm was used and then the amplitude of the classes of each analyzedvariable was calculated. The results showed that the fruits presented variation in the length of 4.51 to 10.53 cm,however, the predominance of fruit frequency was in the class of 6.03-6.77 cm. The seed length varied from 0.918 to1.208 cm, with a higher incidence in the class of 1.064-1.112 cm, where it concentrated about 45% of the seeds. It isconcluded that the fruits Poincianella pluviosa var. peltophoroides presented greater uniformity in the variable lengthand their seeds presented greater uniformity in the biometric variables in which they were evaluated, being this afavorable criterion for its propagation.Species arboreal, native of the Atlantic Forest biome, Poincianella pluviosa var. peltophoroides (Benth.) L.P. Queirozis widely used in urban landscaping due to the beauty of its flowering and indicated for the recovery of degradedareas as an initial or pioneer secondary species. The objective of the study was to characterize the fruits and seedsbiometrically, thus helping in its conservation and improvement. The work was conducted at the Federal Universityof Campina Grande, campus of Patos-PB, and the fruits were collected manually in matrices located on campus, usingas a selection criterion those who were mature. To obtain the biometric data, the fruits were selected and separated100 fruits and 100 seeds at random. To measure the biometric variables (length, width and thickness) of the fruitsand seeds, a digital caliper with a precision of 0.1 mm was used and then the amplitude of the classes of each analyzedvariable was calculated. The results showed that the fruits presented variation in the length of 4.51 to 10.53 cm,however, the predominance of fruit frequency was in the class of 6.03-6.77 cm. The seed length varied from 0.918 to1.208 cm, with a higher incidence in the class of 1.064-1.112 cm, where it concentrated about 45% of the seeds. It isconcluded that the fruits Poincianella pluviosa var. peltophoroides presented greater uniformity in the variable lengthand their seeds presented greater uniformity in the biometric variables in which they were evaluated, being this afavorable criterion for its propagation

NEOTROPICAL ALIEN MAMMALS: a data set of occurrence and abundance of alien mammals in the Neotropics

Biological invasion is one of the main threats to native biodiversity. For a species to become invasive, it must be voluntarily or involuntarily introduced by humans into a nonnative habitat. Mammals were among first taxa to be introduced worldwide for game, meat, and labor, yet the number of species introduced in the Neotropics remains unknown. In this data set, we make available occurrence and abundance data on mammal species that (1) transposed a geographical barrier and (2) were voluntarily or involuntarily introduced by humans into the Neotropics. Our data set is composed of 73,738 historical and current georeferenced records on alien mammal species of which around 96% correspond to occurrence data on 77 species belonging to eight orders and 26 families. Data cover 26 continental countries in the Neotropics, ranging from Mexico and its frontier regions (southern Florida and coastal-central Florida in the southeast United States) to Argentina, Paraguay, Chile, and Uruguay, and the 13 countries of Caribbean islands. Our data set also includes neotropical species (e.g., Callithrix sp., Myocastor coypus, Nasua nasua) considered alien in particular areas of Neotropics. The most numerous species in terms of records are from Bos sp. (n = 37,782), Sus scrofa (n = 6,730), and Canis familiaris (n = 10,084); 17 species were represented by only one record (e.g., Syncerus caffer, Cervus timorensis, Cervus unicolor, Canis latrans). Primates have the highest number of species in the data set (n = 20 species), partly because of uncertainties regarding taxonomic identification of the genera Callithrix, which includes the species Callithrix aurita, Callithrix flaviceps, Callithrix geoffroyi, Callithrix jacchus, Callithrix kuhlii, Callithrix penicillata, and their hybrids. This unique data set will be a valuable source of information on invasion risk assessments, biodiversity redistribution and conservation-related research. There are no copyright restrictions. Please cite this data paper when using the data in publications. We also request that researchers and teachers inform us on how they are using the data