Impacts of the loss of neotropical highland forests on the species distribution: a case study using resplendent quetzal an endangered bird species

Iskandar J, Iskandar BS, Partasasmita R. 2016.The Local knowledge of the rural people on species, role, and hunting of birds: case study in Karangwangi village, Cidaun, West Java, Indonesia. Biodiversitas 17: 435-446. Based on the ecological history, in the past many villages of in Indonesia including in West Java had a high diversity of birds. Nowadays, however, the diversity of birds in some villages of West Java has tended to decrease due to many factors, namely habitat loss, the use of pesticides, and intensive illegal bird hunting. The objective of this paper is to elucidate the local knowledge of Karangwangi village, West Java on species, role, and hunting of birds. Method used in this study is the qualitative and ethnoornithological approach with descriptive analysis. Results of study show that the Karangwangi people have a very good knowledge on bird species, particularly on level species/specific. Various bird species are traditionally classified into nine local categories (folk classification), namely based on distinctive voice/vocalization, morphological characteristic, special color, distinctive behavior, time activity, special common habitat, migrant, nest characteristics, and role in the ecosystem. Based on the rural people perception, the role of birds can be divided into two categories, namely notorious and beneficial birds. The diversity of rural birds has tended decrease over time due to various factors, including illegal bird hunting for various purposes of the village people, such as keep a bird in cages and bird trading. The study suggests the perception of rural people on birds have changed caused of socio-economic and cultural changes. Nowadays the bird hunting in the rural area has tended to shift from a purely subsistence form towards a more commercial form and, thus, to conserve bird species the study on ethnoornithology considered as a very important, and socio-economic and cultural rural people aspects might be integrated to national as well as international bird conservation programs.

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Roadkill records of reptiles and birds in Cerrado and Pantanal landscapes

Check List ◽

10.15560/14.5.845 ◽

2018 ◽

Vol 14 (5) ◽

pp. 845-876 ◽

Cited By ~ 6

Author(s):

Wagner Fischer ◽

Raquel Faria de Godoi ◽

Antonio Conceição Paranhos Filho

Keyword(s):

Species Distribution ◽

Road Safety ◽

New Records ◽

Bird Species ◽

Vehicle Collisions ◽

Reptile Species

We monitored reptile and bird roadkills in Cerrado–Pantanal landscapes along the Campo Grande to Corumbá highway BR-262. We describe species distribution in different landscape zones, including the first geographic record for Hydrodynastes bicinctus Herrmann, 1804 in the Pantanal basin. The roadkill occurrence of Spizaetus melanoleucus (Vieillot, 1816) is an outstanding record. We recorded 930 individuals belonging to 29 reptile and 47 bird species; 20 of these species are new roadkill records in Brazil. The 8 new records of reptile species include Eunectes notaeus Cope, 1862, Bothrops mattogrossensis Amaral,1925, Dracaena paraguayensis Amaral,1950 and H. bicinctus; and 12 new records of bird species include S. melanoleucus, Heterospizias meridionalis Latham, 1790, Urubitinga urubitinga (Gmelin, 1788), Pulsatrix perspicillata (Latham, 1790), Aramus guarauna (Linnaeus, 1766), and Jabiru mycteria (Lichtenstein, 1819). Richness of road-killed species on the BR-262 highway seemed to be high, reinforcing concerns about wildlife-vehicle collisions where these accidents occur, as they lead to long term and chronic impacts on wildlife and road safety in the Pantanal region.

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Practical Considerations for Implementing Species Distribution Essential Biodiversity Variables

Biodiversity Information Science and Standards ◽

10.3897/biss.5.75156 ◽

2021 ◽

Vol 5 ◽

Author(s):

Robin Boyd ◽

Nick Isaac ◽

Robert Cooke ◽

Francesca Mancini ◽

Tom August ◽

...

Keyword(s):

Species Distribution ◽

Biodiversity Indicators ◽

The United Kingdom ◽

Occupancy Detection ◽

Essential Biodiversity Variables ◽

The Uk ◽

Species Occupancy ◽

Very High ◽

The Ideal

Species Distribution Essential Biodiversity Variables (SD EBVs; Pereira et al. 2013, Kissling et al. 2017, Jetz et al. 2019) are defined as measurements or estimates of species’ occupancy along the axes of space, time and taxonomy. In the “ideal” case, additional stipulations have been proposed: occupancy should be characterized contiguously along each axis at grain sizes relevant to policy and process (i.e., fine scale); and the SD EBV should be global in extent, or at least span the entirety of the focal taxa’s geographical range (Jetz et al. 2019). These stipulations set the bar very high and, unsurprisingly, most operational SD EBVs fall short of these ideal criteria. In this presentation, I will discuss the major challenges associated with developing the idealized SD EBV. I will demonstrate these challenges using an operational SD EBV spanning ~6000 species in the United Kingdom (UK) over the period 1970 to 2019 as a case study (Outhwaite et al. 2019). In short, this data product comprises annual estimates of occupancy for each species in all sampled 1 km cells across the UK; these are derived from opportunistically-collected species occurrence data using occupancy-detection models (Kéry et al. 2010). Having discussed which of the “ideal” criteria the case study satisfies, I will then touch on what are, in my view, two underappreciated challenges when constructing SD EBVs: dealing with sampling biases in the underlying data and the difficulty in evaluating the extent to which they bias the final product. These challenges should be addressed as a matter of urgency, as SD EBVs are increasingly applied in important settings such as underpinning national and international biodiversity indicators (see e.g., https://geobon.org/ebvs/indicators/).

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Species distribution models that do not incorporate global data misrepresent potential distributions: a case study using Iberian diving beetles

Diversity and Distributions ◽

10.1111/j.1472-4642.2010.00716.x ◽

2010 ◽

Vol 17 (1) ◽

pp. 163-171 ◽

Cited By ~ 64

Author(s):

David Sánchez-Fernández ◽

Jorge M. Lobo ◽

Olga Lucía Hernández-Manrique

Keyword(s):

Species Distribution ◽

Species Distribution Models ◽

Distribution Models ◽

Diving Beetles ◽

Global Data

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Formation of disjunct plant distributions in Northeast Asia: a case study of Betula davurica using a species distribution model

Plant Ecology ◽

10.1007/s11258-018-0862-y ◽

2018 ◽

Vol 219 (9) ◽

pp. 1105-1115 ◽

Cited By ~ 2

Author(s):

Takuto Shitara ◽

Yukito Nakamura ◽

Tetsuya Matsui ◽

Ikutaro Tsuyama ◽

Haruka Ohashi ◽

...

Keyword(s):

Species Distribution ◽

Species Distribution Model ◽

Northeast Asia ◽

Distribution Model ◽

Plant Distributions

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Problems with Avian Point Counts for Estimating Density of Northern Bobwhite—A Case Study

Journal of Fish and Wildlife Management ◽

10.3996/092010-jfwm-033 ◽

2011 ◽

Vol 2 (1) ◽

pp. 117-121 ◽

Cited By ~ 2

Author(s):

Roger D. Applegate ◽

Robert E. Kissell ◽

E. Daniel Moss ◽

Edward L. Warr ◽

Michael L. Kennedy

Keyword(s):

Count Data ◽

Distance Sampling ◽

Bird Species ◽

Northern Bobwhite ◽

Model Fit ◽

Point Count ◽

Point Counts ◽

Occupancy Estimation ◽

Detection Probabilities

Abstract Point count data are used increasingly to provide density estimates of bird species. A favored approach to analyze point count data uses distance sampling theory where model selection and model fit are important considerations. We used uniform and half normal models and assessed model fit using χ2 analysis. We were unsuccessful in fitting models to 635 northern bobwhite Colinus virginianus observations from 85 avian point locations spanning 6 y (P ≤ 0.05). Most observations (74%) occurred in the outermost (>100-m) distance radius. Our results violated the assumptions that all observations at the point are detected. The assumption that birds were assigned to the correct distance interval also was probably violated. We caution managers in implementing avian point counts with distance sampling when estimating northern bobwhite population density. We recommend exploring other approaches such as occupancy-estimation and modeling for estimating detection probabilities.

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