Any suggested models to analyze reptile population trends in relation to habitat variables?

More Dulan Jayasekara's questions See All

When I export polygons layer from Google Earth Engine, has showed only single polygon in its attribute table. Why is that?

The layer Polygon_A is a vector layer consisting of numerous polygons, created from a binary raster layer with values of 0 and 1. On the other hand, Polygon_B is a vector layer created from...

22 March 2023 3,577 3 View

How to subset/extract from NASA GEDI h5 files (L2A)?

I have downloaded L2A granules from NASA GEDI database in H5 file format. Even though the file can be opened in Arc GIS desktop version it's hard to work with the large amount of data without...

11 November 2022 8,920 0 View

PRESENCE software sample spreadsheet - Single-season example.xls. Where to find?

I am new to the software package and currently going through a learning curve. The above file is not included in the data files associated with the version I am using. In an earlier software...

04 May 2021 5,455 1 View

Is it sensible to conduct a meta-analysis using different sales and period?

I'm conducting a systematic review and found 5 RCTs measured the depression (outcome) using different scales (Hamilton Depression Rating Scale/ Montgomery-Åsberg Depression Rating Scale/Beck...

20 August 2018 9,958 3 View

What are the better options for a motorized wheelchair platforms for research?

This wheelchair platform will be used in the development of an intelligent wheel chair system with intelligent voice and gesture interface for controlling. Furthermore, the proposed intelligent...

10 October 2017 9,502 0 View

Why isn't processed Panchromatic band of Landsat to surface reflectance in USGS?

USGS provide two kind of major Data sets, which are collection 01- Level 01 and Level-02 data. In Level-02 data All the other visual bands are process to surface reflectance but why panchromatic...

01 January 1970 2,193 3 View

How can i fixed this DN value range of MNDWI

Greetings! I am undergraduate Student.These days i am carrying research about Shoreline analysis using Landsat images. In this case some of research article mention, it's better to use surface...

01 January 1970 8,091 5 View

How i found surface reflectance value of sea water and normal water of each bands of thematic mapper? (Landsat 5/7/8)

In these days, i want figure out what is suitable threshold value for extraction land from water bodies Using Modified normalize differential water index. I want determine boundary of shoreline...

01 January 1970 3,654 2 View

Selecting software SimaPro or GaBi

I need to conduct a LCA analysis for different alternatives. Which software is much easier to use; SimaPro or GaBi?

01 January 1970 8,393 7 View

What is a better for Shoreline extraction?

I want shoreline extraction using a water mask index which is MNDWI. I decided use Landsat data for it. There are two kind of data sets. One is Collection-01 level-01 another one is collection-01...

01 January 1970 7,419 3 View

What are the key methods and indicators used in assessing the biodiversity of river ecosystems, and how do these methods account for variations ?

Biodiversity assessment of river ecosystems is crucial for understanding the health and stability of these environments. This question aims to explore the various techniques employed to evaluate...

07 August 2024 4,290 3 View

How do you get pure primary macrophage cell culture?

I have been harvesting monocyte-derived macrophages from buffalo and cattle fresh whole blood using the same protocol for years and getting good macrophage cultures. Below is the protocol that I...

23 July 2024 4,074 2 View

What methods can be used to minimize environmental variability in breeding trial ?

In breeding trials, environmental variability can significantly affect the results, making it challenging to accurately evaluate the performance of different lines and hybrids.

22 July 2024 3,961 4 View

Does the soil contamination correction factor for decomposing leaf biomass vary according to space and season?

The question refer to leafy biomass decomposition using litterbag techniques.

11 July 2024 2,078 0 View

Does produce in season have more nutrients when eaten in season and fruits and vegetables safe to eat if they have been treated with pesticides?

02 July 2024 4,144 2 View

Can someone explain the pros and cons of mean squares vs. Baker's ratio for pinpointing gene action in line x tester designs?

In plant breeding research, line x tester mating designs are often used to assess gene action for various traits. Some studies suggest that the simultaneous significant mean squares for lines,...

30 June 2024 4,877 2 View

Are These Dates, Months, and Seasons Accurate for Agricultural Planning in Bangladesh?

As many of us know, there is often confusion regarding the alignment of dates, months, and seasons in our agricultural practices. To address this, I have prepared a table that aims to provide a...

27 June 2024 7,749 1 View

Which could be origin of symmetrical botryoidal mineralization?

Hi Me and my collegues found a strange rock aggregates here Lunda Sul, within Kalahari sand suite. Similar formations (ferricrite, ferricrete) are found within Lunda Sul, Angola on the surface...

23 June 2024 2,507 3 View

We are not able to successully reproduce 3t3-L1 cell differentiation, what could be the reasons?

Greetings all, My group has been trying to reproduce 3t3-L1 cell (preadipocytes) differentiation. The typical protocol involves 3 steps: the first step and second step both last for 2 days, and...

18 June 2024 2,728 1 View

How can I select in f2 segregated populations by molecular marker (MAS) in canola (Brassica napus)?

How can I select desired traits in f2 segregated populations by molecular marker (MAS) in canola (Brassica napus)? (for example markers associated with spring or winter type cultivar, yield-...

14 June 2024 9,525 0 View

Timothy A Mousseau

There are many ways to approach such questions of life history variation in relation to environmental parameters. I suggest you look at a few books and papers by Derek Roff at UC Riverside for ideas.

Dulan Jayasekara

Timothy A Mousseau thank you for your answer. I will look into them.